Answer: effects of the evolution of photosynthesis. Photosynthetic organisms dramatically increased atmospheric oxygen levels between 2 and 2.5 billion years ago. This change created selective pressure favoring organisms that used oxygen to produce energy-containing molecules.
change the wording a little bit.
Explanation:
Answer: the anser is true but ur choice hould be 1,2,3 instead of 2,3,1
Explanation:
Answer:
False.
Explanation:
ANOVA is the analysis of variance may be defined as the collection of the statistical models and their procedures estimation. ANOVA can be used to determine the differences in the group mean samples.
The ANOVA was discovered by Ronald Fisher. The two or more than two treatments in ANOVA does not mean that all treatments means are significantly different from the each other.
Thus, the answer is false.
All rock on the ocean floor is less than 180 million years old because <span>reverse polarity removed older rock strips magnetized in a different direction. Also,</span> the oldest parts reach the continental crust and then the ocean floor sinks beneath the continental crust, into the mantle.
Answer:
I think D (the chemical equations for the processes are opposite of each other)
Hope this answer is correct ಥ‿ಥ