Answer:
A
Explanation:It boils down to a and b. A single molecule of DNA is wrong. So it's a,
Answer:
it is D
What global climatic change gave gymnosperms an advantage over ferns?
A) Increased fluctuations in global climate
B) the climate becoming hotter and wetter
C) the climate becoming cooler and drier
D) the climate becoming hotter and drier
Answer:
A. To ensure that your observations are complete and representative of the entire area
Explanation:
This is the most obvious choice, considering that every experiment you conduct requires using your five senses.
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