2) A man heats a balloon in the oven. If the balloon initially has a volume of 0.4 liters and a temperature of 20 C, what will the volume of the balloon be after he heats it to a temperature of 250 C?

What layer of the atmosphere is directly above the troposphere?

The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils