Answer:
to grow the maize plant take nitrate ion (it is essential for the growth of the plant [maize] to grow it takes the nitrate ion basically nitrogen from the soil)
D. fingernails
Skin, hair, and vertebrae are all the outer layer of the body and protect the body. The fingernails aren't part of that.
Answer:
Green plants are called producers because they manufacture their own food with the aid of photosynthesis.
Your hypothesis is incorrect considering every day has the same length to it.
The amount of water on the planet is fixed; it neither increases or decreases. Glaciers are sheets of moving ice. This water to form these extensive sheets must come from somewhere. The water comes from the most extensive store on the planet; the oceans. Ice Ages always corresponds to periods of low sea level because much of the ocean water is is land locked as glaciers.
