What colour does bicarbonate indicator change to in presence of oxygen and carbondioxide​

Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?

In iceland, the mid atlantic ridge runs through the center of the contry. what can you conclude about the apperence of iceland many thousands of years from now?

Need an answer asap 45 points and brainlest to the first person to answer why do scientific theories, such as biological and chemical evolution, represent the strongest explanation of the changes observed in the fossil record. must be in sentence form how can scientific theories on evolution and the fossil record change over time? must be in sentence form