1. What is the difference in elevation in meters between Point X and Point 20 points Y on the map?
1600
- 1500
1300
1400
-1200
Contour interval: 20 m
300

Choose the molecule that is described by each phrase. energy used during long activities:

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

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