Mathematics, 07.11.2019 01:31 singlegirlforlife541
Which of the following occurs during the ecological succession of an ecosystem?
a. an ecosystem reaches a final, unchanging stage.
b. animals move out of the ecosystem until succession is complete.
c. living organisms modify their environment a little at a time.
d. parts of communities split off to form new communities.
Answers: 1
Mathematics, 21.06.2019 22:30
Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.
Answers: 1
Mathematics, 21.06.2019 22:30
Question 3(multiple choice worth 1 points) use the arc length formula and the given information to find r. s = 16 cm, θ = 48°; r = ? sixty divided by pi cm thirty divided by pi cm one third cm one hundred twenty divided by pi cm
Answers: 1
Mathematics, 21.06.2019 23:30
Afriend of mine is giving a dinner party. his current wine supply includes 10 bottles of zinfandel, 8 of merlot, and 11 of cabernet (he only drinks red wine), all from different wineries. (a) if he wants to serve 3 bottles of zinfandel and serving order is important, how many ways are there to do this? ways (b) if 6 bottles of wine are to be randomly selected from the 29 for serving, how many ways are there to do this? ways (c) if 6 bottles are randomly selected, how many ways are there to obtain two bottles of each variety? ways (d) if 6 bottles are randomly selected, what is the probability that this results in two bottles of each variety being chosen? (round your answer to three decimal places.) (e) if 6 bottles are randomly selected, what is the probability that all of them are the same variety? (round your answer to three decimal places.)
Answers: 3
Which of the following occurs during the ecological succession of an ecosystem?
a. an e...
a. an e...
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