A. Nucleotides; they are molecules that form basic structural units
Answer:
The body uses fat as a fuel source.
Explanation:
The body eats it when youhave lack of food.
The greatest surface area for gas exchange is found in the Alveoli
Answer:
Although the number of bacteria is more in soil but the biomass of fungi will be more than the biomass of bacteria because they are eukaryotes.
The size of fungus is more than the size of bacteria as whether fungi is unicellular or multicellular they are eukaryotes.
Even if their number is less their size is large and bacteria are small as compared to fungus so their biomass is less than fungus.