5 points 2. Explain whether the research topic is best investigated through an
experiment or an observational study. Then describe the design of the
experiment or observational study. *
A restaurant chef wants to know which pasta sauce recipe is preferred by more diners.

3/20

step-by-step explanation:

well, there are 20 outcomes, and 3 of them you want. so, 3/20

  lol

the forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?

except if the answer is in the value of money, then, it will matter. it will have to be $0.40, but i can tell this is not a money question, so .4 should be the right one.