What was the key element that caused Venus and Earth to have different environments?

a.) the way carbon is stored

b.) the presence of humans

c.) water and the oceans

d.) how close they are to the sun

The planet Krypton has a mass of 8.4 x 1023 kg andradius of 3.4 x 106 m. What is the acceleration of an object in free fall near thesurface of Krypton? the gravitational constant is 6.6726 x10-11 N x m2 / kg2. Ans. in unitsof m/s2.

What do you predict would happen if a person did aerobic exercise but did not work to build muscle?

The Trans-Siberian Railroad is the longest single railroad in the world. Starting in Moscow, the tracks stretch 9,354 km across the Siberian frontier to Vladivostok, at the edge of the Pacific Ocean.

What are some of the negative effects of ecotourism on an ecosystem?

A prankster drops a water balloon from the top of a building on an unsuspecting person on the sidewalk below. If the balloon is traveling at 30.3 m/s when it strikes a person's head (1.

Three light bulbs are connected to a battery in a series circuit. How will the bulbs behave if the circuit is closed?

Luke investigated the heating of water

In the nucleus of all atoms are sub-atomic particles called protons and neutrons. all protons have a positive charge.

In a polar covalent bond

Lindsay is late to class and is running down the hallway at a speed of 2 m/s the length of the hallway is 150 meters. How long will it take her to run down the hallway?