Answer:
True
Explanation:
The temperature can rise as high as 1500 C, the gas molecules are very far apart. This layer is completely cloudless and free of water vapour
Evolution The changes over time in the inherited traits of a type of organism are ____.
A) growth
B) biogenesis
C) spontaneous generation
OD) evolution
How many places are there for electrons in the second shell of an atom? The answer is C) 8 electrons
Answer:
Nitrogen is so vital because it is a major component of chlorophyll, the compound by which plants use sunlight energy to produce sugars from water and carbon dioxide (i.e., photosynthesis). It is also a major component of amino acids, the building blocks of proteins. Without proteins, plants wither and die.