Answer:
Option C
Explanation:
The null hypothesis is the problem statement and alternative hypothesis is counter of the null hypothesis.
Hence, the null hypothesis here is the rate of extinction was neither higher nor lower when there were sudden climatic changes (asteroid strike)
And alternate hypothesis is "the rate of extinction was either higher or lower when there were sudden climatic changes (asteroid strike)"
Hence, option C is correct
Answer:
no
Explanation; violation of brainly law
Answer:
photosynthesis and chemosynthesis.
Explanation:
Answer
Its actually A ground waters and aquifers
I'm so sorry I gave you the wrong answer at first
Explanation:
