The main storage reservoir for water on earth is

A grouping that includes the ancestor and all of its descendants is:

What conditions would most likely cause thunderstorms? 1. dry and hot 2. humid and hot 3. Cold and dry 4. cold and humid

What goes into a leaf? and what goes out?

What term describes the failure of one species' sperm to fertilize the egg of a different species?

A) The brown beetles are noticed by birds in the area. B) Population of beetles: equal brown and green numbers in population C) Birds eat brown beetles D) More green beetles survive than brown beetles E) Natural habitat is in trees.

Why did the Washington pollution control commission conclude that lake Washington was becoming seriously polluted?

1. Lynn is a 2-year-old girl. Her mom and she like to play a game where her mom pretends to have one of Lynn's stuffed animals, a little monkey, tickle Lynn's feet. Actually, Lynn's mom is doing the tickling.

Which organelles perform roles equivalent to the circulatory, digestive, and respiratory systems?

in eukaryotes cells protein is made at the ribosome what other organelle are involved in this process

Precipitation is considered acidic if it has a ph of