How studying a footprint of an animal that living long ago can tell us more about the animal?

At which location in earth’s interior does the top density continue to increase as thickness decreases?

Time ! for a smell to begin the process of registering in your brain, first you must a) inhale odor molecules into the nasal cavity b)transduce scent chemicals c)have a scent to inhale d)all answers can work

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?