The metaphyses of a 40-year-old's long bones have?

1. which statement is true regarding monocytes? a. they digest pathogens. b. they produce antibodies against cancerous cells. c. they have a granular appearance under a microscope. d. they produce antibodies against microorganisms.

What was the land like over 500 million years ago? what was under the sea?

Long term exposure to waves can cause sunburns and skin cancer.