Answer:
Air temperature
Explanation:
These variations in air pressure are due to temperature differences caused by variations in solar energy received at the surface of the earth
Answer:
B. every cell of a multicellular organisms is responsible for movement
A
A is correct for this problem
Answer AND Explanation:
Gnetophytes are gymnosperms
, they are woody and the embryo has two cotyledons
. Cycads are woody plants that produce seeds found in Subtropical and warm temperate regions and also they produce motile sperm cells.
Pi and sigma bonds
Pi is double bonds and sigma is single bonds
