Which of the following would you identify as a correctly written problem statement if your topic was about the negative affects surrounding human and dolphin interaction?
a. do humans like to swim with dolphins?
b. is there a connection between dolphin propeller injuries and humans feeding dolphins?
c. are dolphins a marine mammal?
d. in what parts of the world do dolphins live?

Which excerpt from the land, part 4 best supports the claim that paul is a talented horseback rider? a/“figure that says more than anything else! now, i want to ride that stallion! " b/my daddy shook his head. "paul only rides horses he knows. ” c/? i glanced over at the other rider. the fellow was older than i, and had the weight of a man on him. d/a man out of alabama, man name of ray sutcliffe, told my daddy i was such a good rider, he wanted me to ride some races for him.

Which statement about the immune system is false? a. lymphocytes reduce inflammation, b. b cells remember specific pathogens. c. most white blood cells kill bacteria d. white blood cells are made in lymph nodes.

According to the cladogram, which organisms have roundworms as a common ancestor?