<span>I believe it is light, but this is kind of a confusing question. Technically there is a independent and dependent variable in the question. The variable being manipulated is light, and the earthwork activity depends on the light. </span>
Answer:
the heat in the classroom made him feel faint so he asked permission to exit
Copper is a good medium for the conduction of heat and electricity
These fires create convection funnels, and throw a lot of particles into the upper atmosphere
The sun, a lamp, or an electric heater all warm us by radiation
Explanation:
hope this helps
D= m/v
solve this formula to find v
by solving we get,
v = m/D
v = 13/19.3
v = 0.67 cm^3
