What evidence have you discovered to explain how the curve of Earth’s surface affects temperatures on Earth?

Which of the following is not true about hydroelectricity a. use of gravitational force of flowing water b. its the most widely used renewable energy c. it has a high output of co2 that fossil fuels d. it has no direct waste asap

The probability of rolling a sum of 7 when rolling two dice simultaneously is 0.167. you decide to test that probability by rolling th dice 12 times. what is the probability that exactly 2 of the rolls is a sum of 7?

When the blood leaves the atria (upper chambers) where does it flow to? a. aorta b. lungs c. ventricles d. rest of the body