Answer:
B Anyone can make a claim, but a scientific claim is backed by experimental evidence.
Explanation:
Answer:
The atmosphere traps heat energy from the Sun and energy radiated from Earth's surface helping to maintain Earth's climate
Explanation:
Earth's atmosphere keeps much of the Sun's energy from escaping into space. This process, called the greenhouse effect, keeps the planet warm enough for life to exist. The atmosphere allows about half of the Sun's heat energy (50%) to reach Earth's surface.
Answer:
The right answer is option 3.
Explanation:
The minimum amount of heat required to melt ice is:
Where and is the latent heat of fussion, measured in kg and kJ/kg, respectively.
The right answer is option 3.
Answer:
1.48 x 10^47 mol of Na
Explanation:
8.90 x 10^24 atoms of Na (1 mol of Na/6.022 x 10^23 atoms of Na)=
1.48 x 10^47 mol of Na