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How much energy is used by the organism or lost to the environment as heat between trophic levels 10% or 90%
answered
Nov 17, 2021
Biology
high-school
6
votes
203k
views
Which class of organic compound would neutralize a carboxylic acid? O aldehyde amine alkyl halide ether
answered
Nov 9, 2021
Chemistry
middle-school
6
votes
199k
views
A calculation based upon _______is only as accurate as the device used for measurement.
answered
Oct 27, 2021
Chemistry
high-school
4
votes
42.6k
views
Propane (C3 H8 (g), Delta.Hf = –103.8 kJ/mol) reacts with oxygen to produce carbon dioxide (CO2 , Delta.Hf = –393.5 kJ/mol ) and water (H2 O, Delta.Hf = –241.82 kJ/mol) according to the equation below.
answered
Aug 1, 2021
Chemistry
high-school
3
votes
91.9k
views
Describe how to transform the graph of f(x) = x* to obtain the graph of the related function g(x) = f(-4(x - 3)) + 1. Then draw the graph of g(x).
answered
Jun 21, 2021
Mathematics
middle-school
6
votes
197k
views
True or false: in a free enterprise system, businesses are free to choose which goods to produce.
answered
Jun 17, 2021
Social Studies
high-school
5
votes
156k
views
Twice the difference of a number and 5 is 30. Find the number. Answer: A. 20 B. 18.5 C. 10 D. Not here
answered
Jun 9, 2021
Mathematics
high-school
3
votes
126k
views
Can someone help me with this one
answered
Feb 19, 2021
Mathematics
middle-school
5
votes
4.0k
views
PLEASE HELP ME sdknvksjdvn
answered
Jan 21, 2021
Mathematics
high-school
6
votes
33.6k
views
Limited resources contribute to evolutionary change in animals by increasing
answered
Dec 27, 2020
Biology
middle-school
4
votes
111k
views
16. Which is the female part of a flower? A. nectar B. sepal C. petal D. pollen E. pistil
answered
Sep 8, 2020
Biology
middle-school
4
votes
81.5k
views
How did the U.S Constitution solve a problem created by the Articles of Confederation? A. It gave the president control of the legislature. B. It gave the president power to enforce congressional laws.
answered
Jul 19, 2020
History
middle-school
2
votes
77.7k
views
How is biotechnology related to better preventative health ?
answered
Oct 11, 2019
Health
college
3
votes
90.2k
views
How much greater is the median number of pairs of shoes in the inventory at the Golf pro Shop than the median number of pairs of shoes in the inventory at the Tennis Pro Shop?
answered
Apr 19, 2019
Mathematics
high-school
4
votes
9.5k
views
A company is trying out a new marketing technique that begin by asking One customer to tell three friends about a product in the first week the next week each of those new customers tells three friends
answered
Jan 31, 2019
Mathematics
middle-school
3
votes
60.7k
views
0.10% as a decimal anyone got the answer please
answered
May 17, 2018
Mathematics
middle-school
1
vote
61.8k
views
Which of the following sets of points are reflections of each other across the x-axis? A. (4, -7) → (4, 7) B. (4, -7) → (-4, -7) C. (4, -7) → (-4, 7) D. (4, -7) → (-7, 4) Point A is located at (3, 4) and
answered
Mar 7, 2018
Mathematics
middle-school
2
votes
12.9k
views
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