A 1. What do the Arctic and Antarctic tundra's have in common? Select all that apply.
They have producers that live there.
Humans live among the plants and animals.
They experience frigid temperatures and harsh winds.
They have land mammals that live there.

Based on the results of this study, what questions remain unanswered? how can these questions guide future research

Acar company is testing seatbelts using crash test dummies. the company finds that when cars come to a sudden stop, the crash test dummies' bodies continue to move forward. the seat belt keeps the crash test dummies from hitting the back of the seat in front of them. why do the crash test dummies' bodies continue to move forward even though the car stopped? a. the friction opposing their bodies' movement keeps them in motion. b. the inertia of their bodies keeps them in motion. c. the forward acceleration of the car keeps them in motion. d. the gravity pulling on the car keeps them in motion.

Common symptoms of an iron-defiency anemia include muscle weakness shortness of breath and lightheadedness why does iron deficiency causes these symptoms