Which of the following has a natural pH that is acidic?

rain

fresh water lakes

sea water

tap water

A car travels a distance of 100 km in 2 hours. What is the average speed of the car (km/h) ?

when we say that electricity is flowing through a wire, what is specifically flowing through the wire?

To get a deeper stretch, Rosa bounces up and down while she stretches. What could occur as a result? She could cause an injury. She could increase her flexibility. She could increase her muscle strength. She could develop more endurance.

Which of the following is not a macromolecule? A. Platelet B. Lipid C. Carbohydrate D. Protein

Which of the following plays a major role in creating deep ocean currents

Which type of noise has sound at every frequency within the range of human hearing?

The Morpho rhetenor butterfly is shown above. The name Morpho refers to the butterfly's

What is the voltage in a circuit with a resistance of 12 ohms and a current of 20 amp?

You are about to attack a troll in a role-playing game. You will throw w with the letters A through F. In order to bear you will beat the troll? ning game. You will throw two dice, one numbered one to eight and the other gh F.

A neutral copper ball is suspended by a string. a positively charged insulating rod is placed near the ball, which is observed to be attracted to the rod. why is this? 1. the ball becomes positively charged by induction. 2.