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Which phrase describes the relative age of a rock?

Which of the following are false concerning microbes? a. microbes generate oxygen through photosynthesis.b. the primary role of microbes on the planet involves causing disease in animals and humans.c. microbes produce vitamins in the intestines.d. microbes play a role in breaking down waste and decomposing dead organisms.

Which term describes a normal value for something in the body? a.homeostasis b.set point c.feedback loop d.integration center

Temperatures in ponds and lakes vary by season. select the best answer from the choices provided t f