Match the statements below with the appropriate term. Write the letter in the appropriate space.

1. A revenue not yet recognized; collected in advance.

B Unearned Revenues

2. Office supplies on hand that will be used in the next period.

A Prepaid Expenses

Explanation:

the answer is: they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur twice a year in the spring and fall.

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.