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Which ecosystem is the least stable? A. A patch of lichens on bare rock B. A rain forest on a small island C. A savanna on a large volcanic island D. A vast coral reef in a warm ocean
answered
May 13, 2021
Biology
middle-school
4
votes
204k
views
A sample of 10 chunks of coal from a particular mine found a sample mean density of 1.39 g/m3 with a population standard deviation of 0.78 g/m3. We wish to create a confidence interval for the true mean
answered
Jan 4, 2021
Mathematics
college
6
votes
64.5k
views
14. Evaluate (2 – y)2 – 2y3 if x= -1 and y= -6.
answered
Dec 7, 2020
Mathematics
middle-school
2
votes
171k
views
Which of the following statements about nucleases is/are correct?
answered
Oct 23, 2020
Biology
high-school
6
votes
199k
views
Why can a signaling molecule cause different responses in different cells?
answered
Oct 10, 2020
Biology
high-school
3
votes
46.8k
views
In which of the following ways can scientific knowledge change and grow? A. a popular scientist states that a prevailing theory is not correct B. experiments reaffirm the validity of a prevailing theory
answered
May 17, 2020
Biology
middle-school
5
votes
133k
views
Read the sentence. The referee said, “you won the match.” What change should be made to correct this sentence? Capitalize match. Capitalize you. Capitalize referee. Capitalize
answered
May 6, 2020
English
middle-school
4
votes
19.4k
views
If athletes "pasta load" they consume lots of what
answered
Jan 4, 2020
Biology
high-school
4
votes
152k
views
The badys and their maid, alice, took a trip to hawaii for their summer vacation. the travel agent told ike bady that the trip would cost $210 for each child plus another $315 per adult. according to ike's
answered
Dec 27, 2019
Business
high-school
2
votes
85.7k
views
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