What is the function of the contractile vacuole in plant-like protists? A)maintenance of food levels
B) maintenance of energy levels
C) maintenance of waste levels
D) maintenance of water balance

Write a paragraph at least 5 sentences “why all vaccinations should be mandatory”

The leopard frog and the pickerel frog are two closely related species. in areas where their ranges overlap, the frogs will remain separate species if they

According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?