None of the above? I’m guessing, secondary, primary and tertiary doesn’t sound right !
Homogeneous is the answer
The correct options are A AND D.
Meeting the growing demand for food will involve planting more food crops and this will requires more lands. The planted crops will also need water in order to grow very well. Thus, more land and water will be needed to produce more food.
The sporophyte are produced before the gametophyte. Is is through the spores that sex cells are made up. The sporophyte contain the genetic material that will used to make the gametes. Therefore, the gametophyte will have half of the genetic material of the sporophyte.
if carbon is increasing in abiotic it means it is increasing