How can failing to conserve water contribute to greater water contamination? a.
Overirrigating fields causes an increase in pollution that results from runoff.
b.
Natural water filters are depleted by the overuse of water.
c.
Sewage systems are more likely to fail due to greater demand, causing higher chances of water contamination.
d.
All of the above

The first generation of offspring from the cross of two parents is called the a. f1 generation b. f2 generation c. short generation d. p generation

Which of the following explains why a tree is often used as a model to represent the principle of common descent

How do you think earths interior affects what is happening on the surface? 2. how do fossils support the continental drift hypothesis? 3. how does sea- floor spreading support the hypothesis of continental drift? 4.what do scientists observe when they studied the magnetic fields of rocks on the sides of mid-ocean ridges? 5. what is a tectonic plate ? 6. explain mantle convection 7.how can movements of the continents affect earths climate? 8. what occurs during drifting?