In a neutral calcium atom, there are 20 protons, 20 neutrons, and 20 electrons. If a calcium atom loses 2 electrons, what will be the calcium atom's charge?

Neon is a non-reactive gas. Why is that?

List and describe 3 senses that sharks use to locate prey.

What is a basic difference between a sporophyte and a gametophyte? A sporophyte is a reproductive structure while a gametophyte is not. A sporophyte undergoes sexual reproduction while a gametophyte undergoes asexual reproduction.

What is the greatest use of groundwater? a. drinking b. industry c. agriculture d. recreation

Which enzyme is responsible for proofreading during replication?1. DNA polymerase2. DNA ligase3. DNA glycosylase4. RNA polymerase

How many significant figures are in 7.00

Is texture hardness the same thing?

The simplest organic carbon molecule term

Can you ask a driving instructor to adjust the passenger side mirror

Whats the term that desvribes the uniting of the male and female gameted?