living things are made up of very complicated molecules. why is carbon important for forming these complicated molecules

Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above

Why are some places regularly warmer or cooler than others in a given month

Which pair of sentences is describing the same velocity? a. a car is parked. a car is moving in circles. b. a bus drives 40 miles per hour north. a truck drives 50 miles per hour north. c. a boy walks east at 6 kilometers per hour. a girl walks west at the same speed as the boy. d. valerie rides her bike south at 8 kilometers per hour. owen jogs south at 8 kilometers per hour.