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

Option D because the temperatures there are like 800 degrees Fahrenheit which means it is enough o melt lead so that's the key element that caused Venus and earth to have different environments because energy is key to life.

explanation:

a fuel engine ( known as a gasoline engine in american english )is an internal combustion engine with spark ignition, designed to run on petrol (gasoline) and similar volatile fuels.

find the sum of the two horizontal vectors and the sum of the two vertical vectors

isoceles right angled triangle