Why dose cold air sink

How does the paradise flycatcher protect its young from predators? a) It wraps its wings around its chicks. b) It puffs out its feathers to look bigger. c) It builds a camouflaged nest. d) It builds an underground burrow.

Worldwide, how many people are estimated to have iron-deficiency anemia?

What happens when the tiny liquid or ice droplets of clouds get too heavy to float? The cloud disappear The cloud rises higher in the atmosphere The cloud gets lower in the atmosphere Precipitation starts to occur

Most popular blood type

What moves membranes by osmosis? A. water B. nitrogen C. turgor D. cytoplasm

Why are some biology questions still unanswered?

For which patient are cns stimulants contraindicated?

What is another word for DNA

What are some of the properties of starches?

What is the role of plants in the nitrogen cycle?