Answer:
Heat can travel from one place to another in three ways: Conduction, Convection and Radiation. Both conduction and convection require matter to transfer heat. If there is a temperature difference between two systems heat will always find a way to transfer from the higher to lower system.
In heat transfer by convection, heat energy causes denser materials to sink and causes less dense materials to rise.
What is heat transfer?Heat transfer refers to the process by which heat energy is transferred from one point at higher temperature to another at lower temperature.
Heat energy is transferred on Earth by the processes of convection, conduction, and radiation.
Thus, during convection, heat energy causes denser materials to sink and causes less dense materials to rise.
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Inherited genetic variations are caused and influenced by environmental factors only. Factors like an organism’s habitat conditions and behavior can affect variation within a population. PLEASE EXPLAIN HOW ENVIRONMENTAL FACTORS EFFECT GENETIC VARIATION! WILL MARK BRAINLIEST!!
Answer:
Genetic variation among plant populations often occurs along different climatic gradients, such as temperature and precipitation gradients. Environmental factors are often responsible for the patterns of genetic structure observed at small spatial scales
Explanation:
Over various spans of time, human populations have increased, decreased, or remained the same, and at both global and local levels. Which statement best explains this observation?
Answer:
C. Like other populations, the human population is affected by a variety of factors in the environment
Note: The options are found in the attachment below
Explanation:
Factors that affect population in the natural world include; availability of food, water, shelter, space, competition for resources, predation, as well as disease.
These factors also affect human population resulting in an increase, decrease or stability in population.
Regarding decrease in population, factors like competition for scarce resources has resulted in wars which greatly reduced human population. Also disease outbreaks, droughts, famines, etc have resulted in decrease in population.
Availability of food, water, shelter and space on the other hand makes for an increase in population by increasing the birth rate, reducing competition and bringing stability.
In some other instances, overtime, there is a balance between birth and death rate, so human population will remain relatively unchanged at these times.
What is an example of malignant tumor?
Answer:
Carcinoma.
Explanation:
These tumors form from epithelial cells, which are present in the skin and the tissue that covers or lines the body's organs. Carcinomas can occur in the stomach, prostate, pancreas, lung, liver, colon, or breast.
How do we detect the cosmic microwave background radiation?
by looking for radiation at the blue end of the spectrum
through radio telescopes
by looking for a glow in the night sky
through magnifying glasses
Answer:
Through radio telescopes :)
Explanation:
Answer:
through radio telescopes
two liquids that are at two different temperatures are added to each other in a container is closed . The temperature is taken at one-minute intervals .
Answer: Graph A
Explanation:
An example of a macromolecule is a(n)
a.oxygen atom
b.monosaccharide
c.glucose molecule
d.polysaccharide
I need help on this I am confused
Answer:
I don't see the last image after the snake. Anyway, I would say C because the Snake would eat more Toads, so Snake population would increase.
b) Identify a dependent variable in the experiments. Identify the reasoning of the scientists when they tested the number of colonies produced by strains C3-PBB and C6-PBB . The scientists also analyzed the number of colonies produced from each of the environmental and clinical isolate strains when the strains were plated on a growth medium lacking the toxic chemical. Justify this analysis.
A dependent variable is the number of colonies produced. The experiment gives a useful insight into the toxicity of the chemicals.
A scientific experiment must always have a dependent and an independent variable. A dependent variable is the variable whose outcome is being determined by manipulating the independent variable which in this case is the presence or absence of the chemicals.
Toxicity of chemical substances is a very important information to scientists as such this experiment is very important because it highlights the toxicity of the chemicals to living things.
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Which two elements are always found in amino acids?
Answer:
carbon and oxygen
Explanation:
hope this helps :)
*Psychology* Which IQ range indicates moderate mental ***********?
A.
70–79
B.
52–69
C.
36–51
D.
20–35
E.
19 or below
Answer IS CORRECT C 36-51
Explanation:
PLATO GANG
The IQ range that indicates moderate mental *********** is A. 70-79.
What is an IQ?
IQ stands for Intelligence Quotient and is a measure of cognitive abilities and intellectual potential. It is determined through standardized tests that assess various cognitive skills, including problem-solving, memory, and analytical thinking.
The average IQ score is set at 100, with scores ranging from 70 to 130 considered to be within the normal range. Scores below 70 indicate varying degrees of intellectual disability, while scores above 130 suggest above-average intelligence.
While IQ scores can provide insight into a person's cognitive abilities, they do not account for other factors, such as emotional intelligence or creativity, that may contribute to overall success in life. It is essential to recognize that IQ tests have limitations and should not be used to label individuals or limit their potential.
This range is considered to be a mild to moderate intellectual disability, indicating limitations in adaptive functioning and potential need for support in daily life activities.
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Which of the following can be used to move a sperm cell?
A. flagella
B. cell wall
Answer:
A.flagella
Explanation:
the flagella is the organelle that moves the cell
plz mark me as the brainliest
please help me, i dont like this
Answer:
the answer is true because plant can be infected
by parasitic
sorry if wrong
Answer:
This is true.
Explanation:
Some plants are parasitic, which means they do not make their own food. They do, however, steal necessary water and minerals from other plants, often killing the other plants off. Parasitic plants sometimes do have chlorophyll, and others do not.
Photosynthesis
Use respiration in a sentence.
Answer:
Cellular respiration produces the energy cells need to function, in the form of ATP.
Explanation:
The Krebs cycle, fermentation, electron transport, and the breakdown of starch are
processes of respiration. Which process could take place within an airtight bottle that
contained no oxygen?
A.aerobic respiration
B. Krebs cycle
C. fermentation
D. electron transport
When an antigen attacks the body, it activates adaptive immunity. This adaptive immunity produces a strong response when it encounters the same antigen for the second time. Which feature of adaptive immunity is essential for this kind of response?
Answer:
A) the ability to remember the antigen it encounters
Adaptative immunity reacts in a more general way producing nonspecific antibodies against the foreign antigen when the organism is first attacked by that foreign antigen. The second time around, when the organism is faced again with the same foreign antigen, it produces a much stronger response because it memorised the antigen and is not strange anymore so the response can be more specific, quicker, and effective.
Explanation:
Answer:
Explanation:
memory T cells plays an important role in fighting against microbe which encounter the body for second time
If one strand of the DNA molecule had the sequence "ATTGCTC," what will be the sequence of the complimentary strand across from it?
Which part of the cell theory most aligns with the process of Mitosis?
Answer:
cell division
cell division
state the doctorine of original evolution.
Answer:
because it is life
Explanation:
Where does the carbohydrate reside ? Where is it found in cells ? What types of food is it found in ?
Which is the region of actively dividing
cells at the tip of the stem?
Answer:apical meristem
Explanation:
1. What is the function of the cell membrane? ___________________________________________
2. Explain how the cell membrane maintains homeostasis. ___________________________________
__________________________________________________________________________________
Answer:
Proteins in the cell membrane include cell-surface markers, receptor proteins, enzymes, and transport proteins.
One is to transport nutrients into the cell and also to transport toxic substances out of the cell.
Explanation: I hope this helps
find the solution to the equation
[tex] {x}^{2x} - 5x {}^{2} + 4 = 0 \\ [/tex]
Which example has the most kinetic energy a football resting on a kicking tee a hurt football player sitting on the bench a football flying through a goal post a penalty flag on the ground
Answer:
The football flying through the goal
Explanation:
Kinetic energy is basiaclly moving energy. Since only the football going through the goal is moving, that's the one with the most kinetic energy.
DNA and RNA are both types of —
A. enzymes
B. polysaccharides
C. proteins
D. nucleic acids
Examples of ovoviviparous animal
Answer:
sharks, rays, snakes, fishes, and insects
Explanation:
These ovoviviparous animals produce eggs, but instead of laying eggs, eggs develop inside the mother's body. The eggs are laid in the mother. After rocking, they stay in the mother for a while and feed there. Then the young are born live.
Ovoviparity is, therefore, a mixture of oviparous (animals that lay eggs) and viviparous (animals that develop in the mother’s body).
1980g = __kg
A. 198 B.1.98 C.19800 D.19.8
Answer:
1.98 kg
Explanation:
Which of the following substances is responsible for transporting materials into and out of the cell by active transport? A. Carbohydrates B. Proteins C. Cholesterol D. Lipids
What is the difference between abiotic and biotic?
Answer:
Abiotic factors refer to non-living physical and chemical elements in the ecosystem. ... Examples of abiotic factors are water, air, soil, sunlight, and minerals. Biotic factors are living or once-living organisms in the ecosystem. These are obtained from the biosphere and are capable of reproduction.
Explanation:
When experiencing oxygen debt, why do human cells not carry out the process of alcoholic fermentation?
should a business owner be more interested in making money or doing what they are passionate about?why?
Answer:
passion
Explanation:
a business owner should be interested in doing what they are passionate about because if they like something they will make more money and more customers will be attracted to their new project