Many governments are starting to ban chemicals in sunscreen that are harmful to coral. Here in Florida the city of key has already passed a low banning them.

because of

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.

answers are:

lysogenic     viral dna merges with host cell dna

lysogenic     no symptoms

lytic               viral dna takes over

lysogenic     virus does not destroy host cell

lytic               virus destroys host cell

lytic               induces symptoms of viral infection

lysogenic       cell reproduces and spreads provirus

the answer is true when observing or determining population size, a direct observation is use, in which each organism is counted in a population or in an area. one benefit of this measure is that you get the exact population count but it will take a long time to  determine  the  size  of a  population.