Answer:
radiation, conduction, convection, conduction
Answer:

Explanation:
Hello,
In this case, for us to compute the absorbed heat, we apply the following equation:

Whereas we use the mass, specific heat and temperature change for the piece of aluminium, thus, we obtain:

It is positive as the heat is entering, therefore the temperature raises.
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Answer:
the direction of the object
Explanation:
According to my mind and my biology test, it is B) Low concentration of oxygen IN THE BLOOD; high concentration co2 in the tissue