Answer:
A. is repeated many times to ensure that the results are accurate
Explanation:
A controlled experiment is repeated many times to ensure that the results are accurate
<span>Letter A is the answer. Almost all plant cells have single large central vacuole. These large central vacuoles of the plant cells are filled with water and can take over 80% of its cell volume. This is surrounded by a single membrane called tonoplast. The role of the central vacuole is maintaining the plant cell's pressure.</span>
True, this is because they are are poisonous and only Myuchelys Latisternum, the saw-shelled turtle can prey on them.
A non renewable resource wouldn't replenish naturally like, oil.
A renewable resource is something that can replenish naturally, like wood or wool.
Most of the carbon in the earth is stored in the soil and air.
A) soil and air
<u>Explanation:</u>
Most of the carbon on earth is stored in rocks in the soil. There is approximately 2500 billion tons of carbon in the soil. The amount of carbon in the air is 800 billion tons and the amount of carbon found in plants and animals is 560 billion tons.
This clearly tells that most of the carbon in earth is stored in soil and air. The movement of carbon within the biosphere makes up the carbon cycle.
