Which one of the following disease is caused by a protozoa? a. Kala-azar
b. Sleeping sickness
c. Rabies
d. both a and b

Biomass can be used to generate electricity. biomass relies heavily on agricultural crops. plants release carbon dioxide and water in combustion. plants use photosynthesis to originally generate the energy that is needed. the chemical energy of these plants all started with what energy source?

Is dna the same in every cell in the human body explain your answer

Which charactistic is a property of water ?