Environments have changed over millions of years. Which of these would be best for a scientist to study when investigating these environmental changes?

How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a.about 4 b.about 8 c.about 40 d.about 21

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be