Which activity would be an appropriate first step when designing an experiment ?

The function of the excretory system is to control homeostasis and

In the sentence "a mining company will consider the distribution of coal when deciding how to mine the coal," what does the word distribution mean?

In a village where the proportion of individuals who are susceptible to malaria is .70 and population is at hardy-weinberg equilibrium what population is heterozygous hba/hbs