Questions by Kevinlu

Questions by Kevinlu

Explain why a food web is a more realistic model of energy flow than a food chain. Answer: Food chain only shows one path by which energy can move through an ecosystem, because most organisms eat a variety

asked Feb 6, 2021

2 answers

3 votes

158k views

Your coin collection contains 95 1952 silver dollars. If your grandparents purchased them for their face value when they were new, how much will your collection be worth when you retire in 2060, assuming

asked Dec 18, 2020

1 answer

3 votes

198k views

Where was the original wooden model of the dome of saint peter’s basilica (created by Michelangelo) located

asked Sep 1, 2020

1 answer

5 votes

145k views

Savannah bisected line segment AB she labeled the point of intersection M. The length of segment BM is 11 cm. What is the length of segment AB?

asked Feb 13, 2020

1 answer

5 votes

138k views

An ideal spring is hung vertically from the ceiling. The spring constant is k = 125 N/m. A block of mass m = 650 g (1000 g = 1 kg) is then attached to the free end and block extends the spring under its

asked Jan 22, 2020

1 answer

1 vote

146k views

What is 7/5 times 7/8?

asked Jan 7, 2020

2 answers

1 vote

228k views

Which scenario best exhibits the relationship between frustration and aggression? A. Bob hugged his kids despite being fired from his job. B. Bob yelled at his kids after his boss blamed him when the company

asked Nov 28, 2019

2 answers

5 votes

22.0k views

Which of the following points lie in the solution set to the following system of inequalities? y ≤ x − 5 y ≥ −x − 4 A. (−5, 2) B. (5, −2) C. (−5, −2) D. (5, 2)

asked Nov 22, 2019

1 answer

0 votes

17.4k views

What happens to the density of a liquid that is heated?

asked Jun 7, 2019

2 answers

1 vote

74.1k views

Hello i need urgent help whith this expression 16 • [(4+8)÷4]

asked Mar 12, 2019

2 answers

0 votes

19.0k views

for which function are the zeroes 2 and -7? I know the answer is f(x) = x squared + 5 -14 but I do not know how to show my work. Could you please show me how to do this problem? Thank you

asked Nov 21, 2018

1 answer

1 vote

49.6k views

What enzyme is coded for in the chromosome of bacteria galactose glucose beta-galactosidase lactose

asked Jun 4, 2018

2 answers

1 vote

28.1k views

Why did the victory of communism in china take both the united states and the soviet union by surprise?

asked May 1, 2018

1 answer

1 vote

158k views

Page:

Search QAmmunity.org