Please help me with this question. Living organisms all contain fats that are called .
Which term best completes the sentence?

(A). Carbohydrates.
(B). Proteins.
(C). Nucleic Acids.
(D). Lipids.

The earth exerts a gravitational force of 500 n on amy. what is amy’s mass in kg?

What is the relationship between the direction of motion of the balloon and the wind currents

The field between two charged parallel plates is kept constant. if the two plates are brought closer together, the potential difference between the two plates either a) decrease b) does not change c) increase?