Is nitrogen needed for the production of carbohydrates, lipids, nucleus acids l, and proteins?

Which force diagram accurately represents a satellite in orbit around earth? image for option 1 image for option 2 image for option 3 image for option 4

Draw the conjugate acid for the following base. remember to include charges and non-bonding electrons where necessary.

Compare the two theories regarding the evolution of dinosaurs and then consider the cladogram above. although the two theories differ on the evolutionary path of dinosaurs, they agree that