Nitrogen has 7 electrons and can form a maximum of ________ bonds with other elements.

A. 1
B. 2
C. 3
D. 4
E. 5


C. 3

Biology & Microbiology

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Four of the five glands listed below belong to the

endocrine system. Select the exception. a. thymus b. salivary c. parathyroid d. thyroid e. pituitary

Biology & Microbiology

To stabilize the environment in the Biosphere II habitat and enable it to become self-sufficient again, it would be helpful to

What will be an ideal response?

Biology & Microbiology

Explain what occurs during the inflammatory response and how it is a protective mechanism. What will be an ideal response?

Biology & Microbiology

You have a small tree in your yard that is the height that you want it, but does not have as many branches as you want. How can you prune it to trigger it to increase the number of branches?

A) Cut off the leaves at the ends of several branches. B) Cut off the tips of the main shoots. C) Cut off lower branches. D) Cut off the leaves at the base of most of the branches.

Biology & Microbiology