Which of the following farming activities is MOST helpful to the environment? A) rotating crops to reduce soil loss

B) clearing land to grow more crops

C) damming a river to provide water for crops ,

D) spraying crops with pesticides

Someone me with this: a mineral' is determined by its actomic structure.

Ineed to get this test done which of the following statements is correct in hour our immune system responds to a potential pathogen? a.) the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. b.) b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c.) the adapted immune system will call on the innate immune system to destroy the pathogen. d.) the t-cells in the adapted immune systems are the first to recognize the pathogen

Kinases add - groups to other enzymes. this activities some enzyme while inhibiting other