Answer:
A. Earth's tilt on its axis
Explanation:
Because of the earth's tilt, during part of the year the NE US is angled towards the sun, but the other part of the year it is angled away from the sun. This is what gives us our seasons.
It results in air pollution because the emission of greenhouse gases
The structures that are responsible for producing semen are within the make reproductive system. these include the testes, epidymus, prostate, seminal vesicles, and the bulbourethral gland.
Answer:
A
Explanation:
the larger the size means the lower the porosity
