Which of the following is an adaptation that helps protect the animal? А
Cows have incisors.
B
Cactuses have thick stems.
с
A porcupine has sharp quills.
D
Hummingbirds have long, skinny beaks.

How does a hydroelectric power plant converts energy into energy.

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution?

1. explain hydrogen peroxide, h 2 o 2 properties and decomposition reaction. 2. describe how each of the following natural cycles plays a part in earth’s climate system. (a) the water cycle (b) the carbon cycle