Answer:
chemical reactions change reactant and produce new substance called products.
Explanation:
chemical reaction is a change which will produce a new substance. ( while physical reaction does not produce a new substance.
The answer is <span>the number of DNA mutations in an organism is measured over time to determine how long it will take for a new species to evolve.</span>
Answer:
Please Provide more information, but generally you can use any measuring tools. If its volume, the formula is V = W * H * L
Explanation:
Answer:
It takes Earth longer to revolve around the sun than to rotate on its axis.
Explanation:
The vocabulary can be tricky in this question. It is important to remember that the term revolution refers to something moving around a fixed point. In this case, the earth is the object revolving around sun which is the fixed point in the frame of reference.
Now, the earth rotates at a constant speed around its axis. This is what causes the day/night cycle. The earth itself is spinning, therefore we use the term rotate.
Answer:
a pigment metabolite from the destruction of hemoglobin
Explanation:
Bilirubin is a yellow pigment produced during the normal breakdown of hemoglobin as red blood cells die.