Answer:
Explanation:
The nitrogen cycle is an important cycle to the atmosphere. Nitrogen is an essential part of biological molecules such as proteins and nucleic acid, which makes nitrogen essential for all living organisms. Nitrogen makes up 78 percent of the atmosphere.
Answer:
a. By Calculating magnetic reversals.
Explanation:
They determine the age of the ocean floor by examining magnetic fields in the planet Earth.
Only about 3 percent of the worlds water is fresh, and even less than that is usable, because most of it is locked up in glaciers or in permanent snow fields.
The correct answer is D.
Answer:
Simple answer, yes.
Explanation:
Monocots have isobilateral leaf I.e both sides of the leaf are equally exposed to the sun.
Dicots have dorsiventral leaf I.e. ventral side is exposed to the sun more than the dorsal side.
They are very distinctly different from each other and can be separated easily, and so are their roots.
Both have same structure. Eat the same, move the same.
