Answer:
An asteroid impact.
Explanation:
An asteroid impact is considered to have tossed rubble across the earth, killing off many species of plants and animals, 65 million years ago. Volcanic activity is involved in at least four mass extinctions, whereas an asteroid in just one.
the models of the solar system were the couple of planets and a very big star. AKA the sun
Answer:
False
Any discovery must first be tested and have an explanation
Answer:
By changing a gene's instructions for making a protein, a mutation can cause the protein to malfunction or to be missing entirely. When a mutation alters a protein that plays a critical role in the body, it can disrupt normal development or cause a medical condition
Explanation:
I'd say the answer to this one is B, skunks and toads have a predator-prey relationship. Good Luck!
