Explain the reason for having an equator and a prime meridian. how do these two lines us to navigate our world? describe your opinion in at least two to three sentences.

What is the result of the greenhouse effect? a. heat is deflected from the atmosphere. b. heat is released from the atmosphere. c. heat is kept in the atmosphere. d. plants are able to grow in the tropics where the air is the heaviest.

Which search pattern would be best suited for a crime scene where many investigators are available to search a large area? a. spiral b. grid c. line d. zone

Can someone me? i need to have this done as soon as possible! i'm putting 20 points on this!