<span>Cool water can be used to set bends in PVC pipe. Prior to bending, the pipe must be heated. After bending the PVC pipe to the desired angle, cooling with damp sponges or rags makes the setting process go faster.</span>
A.
Endangered species is closer to extinction
Threatened ones are closer to becoming endangered
Answer:
Everything in Earth's system such as water, land, air, and or living things.
Explanation:
All those things are called "Spheres" or specifically =
1- Hydrosphere (water)
2- Lithosphere (land)
3- Biosphere (living things)
4- atmosphere (air)
Metamorphic rocks form when heat and pressure transform an existing rock into a new rock.
Flowering plants have flowers that allow for easy pollination via wind or animals. These plants are also able to disperse their seeds, using the wind to help carry the seeds away. Both processes are critical for reproduction.