How many electrons does phosphorus have in its valence shell?

a. 1

b. 2

c. 3

d. 4

e. 5

A water sample from a hot thermal vent contained a single-celled organism that had a cell wall and a nucleus. classify this cell. selected: a. prokaryotethis answer is incorrect. b. eukaryote c. bacteria d. plant

State the principle if independent assortment

What are disadvantages for sexual reproduction

Viewed from earth, how does the moon's appearance the second week?

The energy of rest, or stored energy

What is the differences between prokaryotic and eukaryotic ... ?

A finger-like projection of the cell membrane and cytoplasm use to catch food and/or move (false-foot)

Who was one of the first scientist to use numbers to look for patterns in experimental data

What action should you take when an earthquake occurs?

Two advantages of using a nuclear power station rather than a coal fired power station to generate electricity