2.5.2 Test (CST): Computer-Scored Unit Test Question 14 of 25
What happens when a magnesium atom loses an electron in its outer energy
shell?
A. It has an increase in the number of neutrons.
B. It becomes a positive ion.
C. It has an increase in the number of protons.
D. It becomes a negative ion.

Nteractions between organisms and their environment impact the organism’s overall population. oahu amakihi and kauai amakihi are two closely related species of hawaiian honeycreepers. they have a common ancestor, eat small insects and nectar, and like to nest in koa trees. however, one species is found on the island of oahu, and the other is found on the island of kauai. which concept shows the relationship between oahu amakihi and kauai amakihi?

What are the seven economic and social goals?

Why are fossils not found in igneous rocks? igneous rocks are made from cooling of lava or magma. igneous rocks are found too deep underground. igneous rocks are too dark in color to contain fossils. igneous rocks are too dense to contain fossils.