Which of the following is NOT true concerning the curl-up test? A. The curl-up only tests the endurance of the abdominal muscles, not their strength. B. Curl-ups are performed while lying on the floor with knees slightly bent. C. The fingers are supposed to slide 3.5 inches along the floor during a curl-up. D. Curl-ups are supposed to be done at a rate of about one every three seconds. Please select the best answer from the choices provided. A B C D

Match each fossil with the layer where it’ll be present based on those conditions.

A24-n net force acts on a 8-kg rock. what is the acceleration of the rock?

Adult wasps sting caterpillars and inject their eggs into the caterpillars. the larvae feed on the caterpillars, leading to the death of the caterpillars. what kind of a relationship exists between the wasps and the caterpillars? a. the adult wasps are parasites to the caterpillars. b. the caterpillars are parasites to the wasps. c. the adult wasps are commensals, and the caterpillars are hosts. d. the caterpillars are commensals, and the adult wasps are hosts.