Answer:
staw or straw? But, never the less, normal insulation hurts the environment. while being manufactured, the factory's blow smoke. while straw/staw do not have to be built, so there for wont hurt the environment.
Explanation:
Answer:
B
Explanation:
Nerve cells can carry signals and connect all parts of the body to the brain
B.the mass of carbon dioxide plus water is less than that of paper plus oxygen.
<span>It helps scientists understand how populations and species react to changes in their environment, and this knowledge can be used to help these populations and species survive.</span>