Describe the process that allows stars to be born?

Answers

Answer 1

Answer:

Explanation:

A star is born when atoms of light elements are squeezed under enough pressure for their nuclei to undergo fusion. Once the fusion reactions begin, they exert an outward pressure.

As long as the inward force of gravity and the outward force generated by the fusion reactions are equal, the star remains stable.


Related Questions

A spring tide can occur
O A in any month after March.
0
B. in March, April, or May.
O
C. in late February to early June.
D. in any month of the year
D. in any month of the year.

Answers

The answer is D
In any month of the year
Have a good one!!

imma give brainliest
Solid particles in the atmosphere include salt and *
1 point
a. lightning.
b. ozone.
c. dust.
d. leaves.

Answers

Answer:

This one should be c. dust :)

C. Dust :) hope this helps

please help!! biology!!!

Answers

Answer:

The correct answer would be b

Explanation:

Why is it difficult to fossilize large animals?

Answers

Answer:

The onerous elements of organisms, like bones, shells, and teeth have a far better likelihood of changing into fossils than do softer elements. One reason for this can be that scavengers typically don't eat these elements. onerous elements conjointly decay additional slowly than soft elements, giving longer for them to be buried.

Explanation:

Tiny air sacs in the lungs are destroyed, making breathing extremely difficult, is the disease called
O emphysema
chronic bronchitis
O coronary heart disease
o lung cancer

Answers

i think it’s called chronic bronchitis

What does heat transfer mean?

Answers

Heat transfer is a discipline of thermal engineering that concerns the generation, use, conversion, and exchange of thermal energy between physical systems. Heat transfer is classified into various mechanisms, such as thermal conduction, thermal convection, thermal radiation, and transfer of energy by phase changes.

What are some ways you can reduce the number of fishnets in the ocean?

Answers

Answer:

August 11, 2014 — Six years ago, the Norwegian coast guard filmed a Scottish fishing vessel riding gray swells, dumping 5 metric tons of dead fish back into the North Sea. Over the European Union catch quota, and so unable to keep all the fish they’d caught, the fishermen had to ditch some. To the Norwegians, who aren’t part of the EU and hold a strict discards ban, the waste was shocking.

When this news reached Dan Watson, a young British designer, it became the inspiration for SafetyNet, an ocean fishing net that allows certain fish to escape via lighted rings, offering more catch selectivity. The Scottish fishermen’s predicament, he believed, was driven by their lack of control. “There can be no villains, there can be no victims, there are just problems,” Watson says. “I started this project because I wanted to go some way towards solving that problem.”

Bycatch can result in overfishing, reduces the population of species that might already be endangered and, on the largest scale, interrupts food chains and damages whole ecosystems.

Watson joins a growing number of innovators designing more selective fishing gear to reduce bycatch — the unwanted fish, dolphins, whales and birds that get scooped up by longlines, gillnets and trawlers each year and then discarded. Globally, the amount of marine life that is wasted or unmanaged — which makes it potentially unsustainable — forms about 40 percent of the catch. “The way we catch now is to catch everything, decide what we want to keep, and discard the rest,” says Martin Hall, head of the bycatch program at the Inter-American Tropical Tuna Commission, which regulates tuna fishing in the eastern Pacific Ocean. Bycatch can result in overfishing, reduces the population of species that might already be endangered and, on the largest scale, interrupts food chains and damages whole ecosystems. It also amounts to an enormous waste of valuable fish protein.

Leatherback turtle caught in net

New fishing net designs aim to reduce bycatch — the unintented capture of small fish, turtles, dolphins, whales, birds and other ocean-going life. Photo by Michel Gunther/WWF-Canon.

To designers building better nets and lines, bycatch isn’t viewed as an inevitability, but as something we can phase out, piece by piece. It’s also seen as a battle that needs to be fought alongside fishermen, not against them.

Rethink the Game

Speaking from his trawler, the 45-foot Proud Mary, off the coast of Massachusetts, one such fisherman, Christopher Brown, says that over the years, fishermen have had to “rethink the game.” Brown operates a fishery that’s almost completely free of discards; is the board president of the Seafood Harvesters of America, an organization representing stewardship-minded fishermen; and has designed a squid net that reduces bycatch. The net contains an escape route at its base that exploits the bottom-dwelling behavior of unwanted flounder, encouraging them to flee the net through this gap. “We need to look at things entirely differently than we have in the last 30 years,” Brown says — and new gear is part of that equation. “It’s a matter of enlightened self-interest.”

Explanation:

Hope it helps

This is for today someone help!!!!

Answers

Answer:

sucrase:4

lipase:8

pepsin:3

trysin:8

pepsin would not work because it is alkalinic environment and it would become denature.

no because the enzymes will be denature

Which cellular structure produces proteins using coded instructions from DNA?
a) nucleus
b) chloroplast
c) mitochondrion
d)ribosome

Answers

the answer is d,ribosome

Enzymes work by
Help

Answers

Answer:

I think it will option C

hope it helps

I think it would be option B


Enzymes work by binding to reactant molecules and holding them in such a way that the chemical bond-breaking and bond-forming processes take place more readily. Reaction coordinate diagram showing the course of a reaction with and without a catalyst. With the catalyst, the activation energy is lower than without.

help ASAP! Please! Ill mark brainliest PLEASE PLEASE

Answers

Answer:

Hi there!

I am Pandora, and I will be trying to help you today. :)

Ocean Acidification Evidence:

- Growing difficulty in absorbing carbon dioxide

- Difficult for some species to make shells

- Large concentration carbonic acid

- Organisms more prone to illness

Ocean Warming Evidence:

- Melting of glaciers and ice caps

- Expansion of ocean volume

I hope this helped! I am so sorry if I made a mistake.

Good luck and have a fantastic day! :)

Best wishes,

      Pandora

Explanation:

Structural isomers are chemical compounds that have

Answers

Answer:

Same molecular formulas but different structures. The two molecules below have the same chemical formula, but are different molecules because they differ in the location of the methyl group.

Explanation:

Structural isomers are chemical compounds that have the same number of atoms but different arrangements.

What are structural isomers and their types?

The isomers known as structural isomers have the same chemical formula but have their atoms totally rearranged in a different order. These are molecules with the same type of molecular formula but various connectivities based on the order in which they are assembled.

The subgroups of structural isomers are ring chain isomers, metamers, tautomers, position isomers, and functional group isomers.

Because two isomers might have the same chemical formula but different chemical structures, they are significant. The molecule's characteristics are influenced by its structure. For example, butane and isobutane are structural isomers of each other.

Learn more about structural isomers, here:

https://brainly.com/question/13422357

#SPJ7

Humans are negatively affecting the carbon cycle by

a
burning fossil fuels
b
extensive deforestation
c
excessive use of nonrenewable energy
d
over consuming meat products
e
all of these are correct

Answers

Answer:

All of these are correct

Explanation:

Answer:

e is your answer but I don't know how to explain it

The chromosome of a bacterium
Select one:

a. is wrapped around proteins.

b. is found within the nucleus.

c. occurs in multiple pairs within the cell.

d. has a circular shape.

Answers

The answer is D. Has a circular shape :)


Plant cells and animal cells were observed under a microscope. The characteristics of two cells are listed below.

Cell P: Does not capture sunlight
Cell Q: Has cytoplasm but no chloroplast

Which statement about the two cells is correct? (5 points)
Cell Q also has a cell wall.
Cell Q also has large vacuole.
Cell P also has a large vacuole.
Cell P also has a cell membrane.

Answers

Explanation:

Cell Q also has a cell wall

slove and get brainliest!!!​

Answers

The answer is D. I got it right on the test

In what cell phase(s) does chromosome production (replication) and formation (condensing) occur?

Answers

Answer:

The S phase and prophase

Explanation:

Replication: it occurs in the S phase of the cecular cycle and the condensation of the chromosomes, the phase is M.

MATCHING
A. indoor air pollution B. sick-building syndrome
D. noise pollution E. long-term effects of air pollution
C. light pollution
F. short-term effects of air pollution
_____ 11. causes stress, high blood pressure, hearing loss
_____ 12. solutions include shielding, time con- trols, and low-pressure sodium sources

_____ 13. emphysema, lung cancer, heart disease
_____ 14. can occur in tightly sealed buildings
_____ 15. sources include plastics, carpets, cleaning fluids, radon, and asbestos _____ 16. headache, eye irritation, coughing, bronchitis

Answers

Answer:

el el parrafo 3

Explanation:

ahi esta

Come up with five ethical guidelines for research. Write statements that reflect your own views of what is right and wrong. If you really love animals, an example of one guideline might be “No animals may be used in research of any kind.” However, when coming up with these guidelines, be thoughtful about what they really mean. Think of the information you read about earlier. Try to phrase your guidelines in a way that would allow research that you think would be beneficial to still be done. You may find that certain circumstances may cause you to rethink your own ethics!

Answers

Ethical Guidelines for the Use of Animals in Research

Respect for animals' dignity.

Responsibility for considering options (Replace)

The principle of proportionality: responsibility for considering and balancing suffering and benefit.

Responsibility for considering reducing the number of animals (Reduce)

11. Which of the following changes to the DNA triplet 3' GAC 5' will affect the protein produced? А. СТА B. GAT C. GAA D. GAG​

Answers

Answer:

CTA, GAA and GAG encode different aminoacids than GAC.

Explanation:

GAC and GAT encode for Asp. GAA and GAG encode for Glu. CTA encodes for Leu.

Fossils evidence shows that ___________________were the first photosynthetic organisms on earth,about 1.2 billion years ago.​

Answers

Answer:

cyanobacteria

Explanation:

There is suggestive evidence that photosynthetic organisms were present approximately 3.2 to 3.5 billion years ago, in the form of stromatolites, layered structures similar to forms that are produced by some modern Cyanobacteria

How does air pollution deplete ozone layer?​

Answers

The ozone depletion process begins when CFCs (chlorofluorocarbons) and other ozone-depleting substances (ODS) are emitted into the atmosphere. CFC molecules are extremely stable, and they do not dissolve in rain. After a period of several years, ODS molecules reach the stratosphere, about 10 kilometers above the Earth’s surface. CFCs were used by industry as refrigerants, degreasing solvents, and propellants.

Answer:

Ozone depletion occurs when chlorofluorocarbons (CFCs) and halons—gases formerly found in aerosol spray cans and refrigerants—are released into the atmosphere (see details below). ... CFCs and halons cause chemical reactions that break down ozone molecules, reducing ozone's ultraviolet radiation-absorbing capacity

FlowersWhat do the pollen grain and the egg becomes during fertilization? They form a sepal. They become honey. They form a new pistil. They become a seed.

Answers

Hi hi I am so glad that you’re still there for a couple hours and you have a lot to say hi

How are mutations and meiosis similar?

Answers

Answer:

Mutations can occur before,during and after mitosis and meiosis if a mutation occurs in cells that will make gametes by meiosis or during meiosis itself it can be passed on to off spring and contribute to genetic variability of the population.

may be this was ur answer of ur question.

Mutations and meiosis are in that they both produce genetic variation

in organisms.

Meiosis is a type of cell division that involves the production of sex cells or in sexual reproduction. They produce unique daughter cells and in situations where there is a mutation in this process, it is usually passed to the offspring which leads to genetic variation.

Mutations are also usually passed to the daughter cells as it occurs in their

cells during reproduction which makes it similar with meiosis in the area of

genetic variation.

Read more on https://brainly.com/question/16249478

2. Many people believe that a
mutation will always result in the
formation of a deadly tumor, or
the development of a major body
defect.
Explain why this is incorrect.

Answers

a mutation can occur in DNA too

can someone help me with 6 7 8 and 9

Answers

Answer:

6. UAA GUA UUC UGA GUC UCG AUG CCG

7. UGC CCG UAG GAC ACC CCC GGA

8. UCU GAC GUG UCU UUG AAA CGG

9. GAA ACU CCU GAG CGA GUC GAG

Explanation:

A = U

T = A

C = G

G = C

What is the definition of hemophilia

Answers

Answer:

Rare bleeding disorder due to inherited deficiencies in co-agulation factor.

Explanation:

Help me please :) biology

Answers

Answer: the answer is A

Explanation: A tropism (from Greek τρόπος, tropos, "a turning") is a biological phenomenon, indicating growth or turning movement of a biological organism, usually a plant, in response to an environmental stimulus. ... Tropisms are typically associated with plants (although not necessarily restricted to them).

Answer:

A

Explanation:

what are two limitations in diffusion experiment ??​

Answers

Answer:

Once an organism is beyond a certain size, it cannot get essential molecules into and out of cells solely by diffusion. Diffusion is limited by the surface area to volume ratio of the organism.

Explanation:

once an organism is beyond a certain size, it cannot get essential molecules into and out of cells solely by diffusion. diffusion is limited by the surface area to volume ratio of the organism.

The process of embryonile development is represented in the diagram below.
Devoloping
The three arrows in the diagram each represent a process known as
A)
mitotic cell division
B)
melotic cell division
fertilization of gamete cells
D)
differentiation of tissues

Answers

Answer:

a mitotic cell division

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