Huan made a chart to study for an exam about radio waves. which headings best complete the chart?

What’s this animal (picture is tagged) and where is it most likely to live, rainforest or desert?

In which situations is the principle of cross-cutting relationship useful in determining relative age?

The nervous system interacts with the endocrine system by a. using hormones as connections b. sending nerve impulses directly to glands c. using neuroendocrine cells as connections d. sending neurotransmitters directly to neurons