3) In order to prepare an optimal heat-fixed bacterial smear for staining, one must be aware of a couple of factors that may lead to poor results; briefly explain these. Why is it necessary to heat fix a smear for simple staining

Explain why in any given geographical region, women tend to have lighter skins( by 3-4% on average) than men?

What is the primary goal of human communities?

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?