Eric throws a basketball straight up into the air. as it rises, which form of energy is increasing?
elastic potential energy
electrical energy
gravitational potential energy
kinetic energy

Why was the sample heated in step 5? describe the chemical principles involved in the reasoning behind this step?

The law of thermodynamics states that energy can't be created or destroyed. to natural sources of energy on earth are the

Which of the following statements is correct in hour our immune system responds to a potential pathogen? a. the adapted immune system will call on the innate immune system to destroy the pathogen. b. b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c. the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. d. the t-cells in the adapted immune systems are the first to recognize the pathogen vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a. antigen, antibody b. antibody, antigen c. antibody, antibiotic d. antibiotic, antibody