Which of the following statements is true?
a) when you add heat to a substance, its temperature usually increases.
b) when a substance gives off heat, its temperature increases.
c) heat and temperature are the same.
d) heat is transferred from a substance to the air surrounding it because both have the same temperature.

a. heat and temperature are two different things. Heat is hot, temperature is the average movement of particals in a substance. So when you add heat, the partical movement in that substance rises. NOW YOU KNOW.

sand 60

clay 10

silt 30

sandy loam should be dominated by the sand. as the amount of sand increased, the amount of slit needed to anchor the plants' roots to the sand will also be increased. even though the amount is very little, 10% part of clay is still necessary for proper oxidation.