Researchers and doctors hope stem cell studies can help to increase understanding of how diseases occur, and to better understand how diseases and conditions develop.
answer is B: autotrophs. in autotrophic nutrition the prokaryotes will use inorganic substance for energy in general it can be divided into photo or chemical autotrophism. the chemical autotrophs use inorganic substance to produce organic substances for energy generation. example of chemical autotrophs include nitrosomonas bacteria and nitrobacter bacteria
Answer:
B
Explanation:
The do vary in size and temperature because as the layers go down to the core it gets harder and magma is more present
Answer:
B.sand
Explanation:
Sand can not be a common polluatant because it is NATURALLY found in and near water, while all other answer choices are man made pollutants!
