Ameteorite is different from a comet mainly because it
a. has a tail of ice and dust.
b. enters the earth’s atmosphere.
c. has a nucleus made of snow and rock.
d. is found in orbit between mars and jupiter.

Diabetes is often suspected when glucose shows up in urine tests. use the model to explain how glucose could be present in urine. why do you think this symptom is especially concerning for young people?

Which statement describes characteristics of planarians? a they live in oceans, are parasites, and reproduce only sexually. b they live in fresh water, are parasites, and reproduce only asexually. c they live in oceans, are free living, and reproduce sexually and asexually. d they live in fresh water, are free living, and reproduce sexually and asexually.

Water diffusing through a semipermeable membrane is called