Which of these is a biotic factor?

A) topography

B) soil

C) air

D) bacteria

Which element is likely more reactive, and why? Element 1 is more reactive because it has fewer electron shells and is toward the top of its group on the periodic table.

Turbulent motions in thunderstorms cause charge separations that result in very large potential differences between the clouds and the ground. When lightning occurs, a large amount of charge is transferred between the cloud and the ground. If 46.

What energy do electrons have when they are farther away from the nucleus?

A 20 kg mass with an initial velocity of 10 m/s slides to a stop in 2 meters. What is the net work down on the mass? a.) 250 J b.) 500 J c.) 120 J d.) 20 J e.) None of the above

Newton's three laws of motion

La energia cinetica de una masa de 6kg que poses una velocidad de 10m7 / la energia cinetica de una masa de 6kg que posee una velocidad de 15m/s como lo puedo desarrollar

How long does it take a 1.51 * 104 W steam engine to do 8.72 * 106 J of work? Round your answer to three significant figures.

According to the law of conservation of energy, if the ocean water cools, then something else should warm. What is it that warms?

If your body is dehydrated, the control center in the brain will stimulate the release of a hormone which causes the reabsorption of water into the blood during urine formation.

The relationship between mass and inertia is described by newton's second law of motion. true or false