Answer:
Decomposers (either Secondary Consumer or Tertiary Consumer)
Explanation:
Decomposers eat dead materials and break them down into chemical parts. ... They keep the ecosystem free of the bodies of dead animals or carrion. They break down the organic material and recycle it into the ecosystem as nutrients. Vultures, Blowflies, hyenas, crabs, lobsters and eels are examples of scavengers.
Copper carbonate decomposes to make _____________ oxide and _____________ dioxide
Answer:
Copper carbonate decomposes to copper oxide and carbon dioxide.
Explanation:
Where do fronts always form?
Fronts form over water and move inland.
Fronts form at boundaries between air masses.
Front form at high altitudes and descend toward Earth's surface.
Fronts form around locations with severe weather.
Which of the following is NOT true about the role tectonic forces play in the rock cycle?
1. When plates pull apart, rocks melt, and magma forms igneous rocks.
2. When plates crash together, rocks are buried and form metamorphic rocks.
3. When plates slide over & under each other, the heat & pressure form igneous rocks.
4. When rocks push upward & form mountains, the erosion of the mountains can produce sediment.
Answer:
i believe it is number #3
Explanation:
hope this helps
Provide a brief description of how the respiratory system works
Answer:
The lungs and respiratory system allow oxygen in the air to be taken into the body, while also letting the body get rid of carbon dioxide in the air breathed out. When you breathe in, the diaphragm moves downward toward the abdomen, and the rib muscles pull the ribs upward and outward.
Explanation:
9.31*10^3=_*10^5
please if you could explain it as well, i’m so confused and struggling
What is the mass of zinc required to combine with 0.5 mol of chlorine to produce zinc chloride,ZnCI[subscript 2]?
[Relative atomic mass : Zn = 65]
Answer:
16.25g
Explanation:
Equation for the reaction = Zn + 2Cl = ZnCl2
1 molecule of Zn = 2 molecule of Cl
x mole of Zn = 0.5mol of Cl
mole of Zn = 0.25mol
mass of Zn = 0.25 * 65 = 16.25g
The mass of zinc required to combine with 0.5 mol of chlorine to produce zinc chloride is 16.25g.
What is mass?Mass is the quantity of matter in a physical body.
The reaction is Zn + 2Cl = ZnCl₂
The ratio of moles of Zn and Cl
1 : 2
m, mol of Zn is equal to 0.5 mol of Cl
Moles of Zn = 0.25 mol
Multiply the mole of Zn and the relative atomic mass of Zn
Mass of Zn = 0.25 × 65 = 16.25 g.
Thus, the mass of zinc is 16.25 g.
Learn more about mass
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What is a mixture? Plz help
Answer:
a substance made by mixing other substances together.
Explanation:
Answer:
a mixture is different things put together
Explanation:
1. What is the unit for electrical
conductivity?
Answer:
Siemens Per
Explanation:
S/m(Siemens per meter).
Answer:
The unit for electrical conductivity, is Siemens per meter in SI units. S/m
Identify the product(s) of the following reaction:
H
2
2
CO
3
3
→ H
2
2
O + CO
2
2
A
H
2
2
CO
3
3
B
H
2
2
and O
3
3
C
H
2
2
O and CO
2
2
D
O and O
2
2
Answer:
H20
Explanation:
means water but might not help
Given the following equation:
8 Fe + S8 ---> 8 FeS
What mass of iron is needed to react with 106.0 grams of sulfur?
Answer27.9 gFeS
Explanation:
Note: This is for 16.0 Grams of Sulfer
2H₂ +0 a 2H₂O
Mole ratio of water to oxygen
Answer: 2:1
The ratio of hydrogen atoms to oxygen atoms used to make water molecules is always 2:1, no matter how many water molecules are being made.
Explanation:
Answer: GoodMorning: )✨2:1
The ratio of hydrogen atoms to oxygen atoms used to make water molecules is always 2:1, no matter how many water molecules are being made.
Have AN Amazing Day <3
What are substances that cannot be broken down into simpler substances?
a. elements
b.compounds
c. molecules
d.protons
Answer:
Elements
Explanation:
Elements cannot be broken down into a simpler substance
The density of hexane is 0.660 g/mL. What is the volume of a 57g sample of hexane?
The particles of a liquid are able to move around each other. What property of a liquid does this behavior create?
Answer:
Behaviour is in the form of surface tension.
Explanation:
The particles of the liquid are quite close to each other and move with the random movement around the containers. These particles tend to move rapidly in all directions due to the shorter distances between particles. The property of the liquids to flow is their viscosity. Described as the quality of the liquid to flow. They have no fixed shape, as they are made by tiny vibrating particles that are held together by intermolecular bonds. liquids don't disperse like the gases they have surface tension.What caused the deer population to grow early on?
A.) An abnormally cold winter caused offspring to die.
B.) A drought caused there to be less food and water available to the deer.
C.)The number of births was equal to the number of deaths in the deer population.
D.) The deer had a better food source so they had 2-3 fawns per year instead of 1 fawn
per year.
Answer:
i think it is C but not 100% sure.
Explanation:
Answer:
D) The deer had a better food source so they had 2-3 fawns per year instead of 1 fawn per year.
The other options show that the populations actually decreased, due to cold temperatures and droughts.
Let me know if this helps!
Which of the following is an example of a parasite?
a. A flea that bites an animal and sucks its blood to survive.
b. An orchid flower that sits on a tree branch
c. The bacteria that live in human intestines and help humans digest things.
d. An Egyptian plover that cleans a crocodile's teeth.
hmm helpo?
Answer:
a sorry if im wrong
Explanation:
someone help ,, I'll give brainliest lol .
Answer:
D.
Explanation:
Hopefully this helps
Answer:
A
Explanation:
I think the correct answer is A. Online it says that oxidation can be defined in terms of the adding or removing oxygen to a compound/Oxidation is the gain of oxygen.
2. How would type of substance affect the rate of reaction?
Which represents the greatest mass of fluorine?
there is no image so there's no way for me to know an answer
Answer:
You need to add a image for me to answer it love
I am a celestial body that does not produce light. I orbit a planet
hey guys, i found this marble outside and covered in grease. so i took it in to wash it. can you please tell me what it is made of...plz
Answer:
I can't see the marble so I don't know
If a scale floated by and an astronaut stood on it, what would the scale say?
1.0kg
2.1/6 normal weight
3.9.8 m/s2
4.1/6 normal mass
How is the division of animal/human cells different from the division of plant cells?
Identifying Variables in the Effect of Type of Material on
Absorption Experiment
Answer the questions using the drop-down menus.
Which is the independent variable in this experiment?
Which is the dependent variable in this experiment?
Which is a controlled variable in this experiment?
In Absorption Experiment,
Water location is the independent variable in this experiment.
Room Temperature in the material is dependent variable in this experiment.
Type of a material is a controlled variable in this experiment.
What is Absorption Experiment ?Absorption experiment is nothing but the experiment of absorption of water in a material (sponge).
Experiment requires vessel, water and sponge.
Processor - take a vessel, pour water into it and dip sponge. take out the sponge. After taking of out sponge, water appears to be decreased from the vessel and sponge gets heavier. When we squeeze the the sponge, water drops down. It is because of water is absorbed by the spouge.
There are number of pores in the sponge, which absorbs the water.
Water location is the independent variable.
In this experiment Room Temperature is dependent variable in this experiment rate of absorption increases with increase in the temperature. decrease in the temperature cause to solidify the water. Type of a material is a controlled variable, we can change type of the material.
To know more about variables :
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#SPJ7.
What is a chemical equation, and
how do scientists use these
equations to represent chemical
reactions?
Answer:
A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulae, wherein the reactant entities are given on the left-hand side and the product entities on the right-hand side.
In mathematic equations we use an equal sign (=) for example 2 + 2 = 4, but in scientific chemical equations, we use an arrow (→), for example C + O2→ CO2. To the left of the arrow, we have the 'before' situation. This side represents the substances we have beforethe reaction takes place. They are called the reactants.
HELP ASAP!!!
can someone help be determine the formulas for reactants and products as well as balance the equation, and what type of reaction is presented!!!!
I will make you the brain list!!!
Answer: owa owa
Explanation: owa owa owa owa
Which element was first discovered in space before it was discovered on Earth?
nitrogen
helium
carbon
hydrogen
Answer:
carbon
Explanation:
Answer:
carbon was discovered in space before on earth
1. Which of these is not a natural part of
Soil is a mixture of minerals, organic matter, water and air. The minerals come from bits of broken-down
rock. Organic matter is material that is alive or used to be alive. It includes leaves, twigs, bugs and many
microscopic, or tiny, organisms like bacteria and fungi. In fact, there are more microorganisms in a handful
of soil than there are people on the planet. Soil is needed for life to exist on Earth. It contains many
nutrients that help plants grow. Then the plants provide nutrients that help animals grow
A. pebbles of different sizes
B. plastic bottle caps
C. dead worms
D. plant roots
I
Solid iron(III) oxide is produced when hot iron filings are exposed to pure
oxygen gas.
When a predator population increases what happens to the prey population? Increase Decrease Dies Stays the same
Answer: as the number of predators increases, more prey are captured. as a result the prey population starts to decrease.