Most of earth's heat is from its formation and from that generated by the decay of radioactive atoms. True or False

How do cells maintain water balance through osmosis?

Two newly prepared solutions, A and B, contain a red dye. Solution A is darker in color than solution B.

What must a cell do first to divide successfully? duplicate its genetic information increase its ratio of surface area to volume increase its number of chromosomes

What advantages does a skeleton made of cartilage offer the shark?

What hormone promotes active tubular secretion of potassium ions and reabsorption of sodium ions in the distal convoluted tubule (DCT) and collecting ducts?

How does the mass of an object affect its a its acceleration during free fall

The speed of a sound wave a. is slower than an electromagnetic wave b. is faster than an electromagnetic wave c. is equal to an electromagnetic wave d. cannot be measured

Inner membrane of mitochondria evolved from

What would most likely happen to life on Earth if the carbon cycle stopped? Life would continue unchanged. Life would conse to exist. Only plants would be affected. Only animals would be affected.

Based on the pattern of nutrition, all animals are classified as?