Answer:
A student practicing for the outdoor track team begins to sweat. To what stimulus is the body responding?
Explanation:
N2O is compound becoz it has more than one type of atoms.
<span>Air is homogeneous mixture becoz it has different gases which are does not bonded to each other</span>
Answer: solid
Explanation:In a solid, the atoms are closely packed and hence are close together. This results in a definite pattern of packing and a definite shape. Solids have a defined shape and volume as a result of this orderly arrangement of atoms very close to each other in the solid material.
Answer:
the difference between blood and urine is it is red, it is yellow, it has a ph of 7.4 and it has a ph of 4.6
