What would happen to life if water froze from the bottom to top of the ocean instead of top to bottom?

Often, caries will develop in an area of the tooth that's not readily accessible. which cavity preparation form defines this? a. retention b. resistance c. outline d. convenience

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different