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Whether an organism is a autotroph or a chemotroph depends on its source of energy. a. True b. False
answered
Dec 15, 2019
Biology
high-school
6
votes
50.8k
views
The ph of lemon juice is approximately 2.4. at this ph, the hydronium ion concentration is closest to which value? 1. 250 m 2. 4.00 × 10−3 m 3. 2.50 × 10−12 m 4. 5.62 × 10−4 m
answered
Dec 13, 2019
Chemistry
high-school
4
votes
212k
views
The Fertile Crescent is also known as the cradle of civilization, where is it located? Africa China Kansas The Middle East
answered
Jun 10, 2019
History
middle-school
0
votes
41.2k
views
This is the colorless fluid surrounding the grana within the chloroplast.
answered
Jan 17, 2019
Biology
middle-school
4
votes
79.2k
views
What is the result of converting 2.3 miles into yards
answered
Nov 28, 2018
Mathematics
college
1
vote
141k
views
Which choice correctly shows rounding to the hundredths place? 4.234 + 4.752 + 7.99 > 4.2 + 4.8 + 8.0 3.825 + 4.792 + 3.0805 > 3.82 + 4.79 + 3.82 3.824 + 4.765 + 1.732 > 3.81 + 4.77 + 3.80 3.8765 + 4.824
answered
Jul 5, 2018
Mathematics
middle-school
4
votes
177k
views
x and y are integers between 0 and 10 that satisfy the equation shown below. x2=y⎯⎯√+3 What values for x and y satisfy the equation?
answered
Mar 8, 2018
Mathematics
middle-school
6
votes
208k
views
A population of 240 birds increases at a rate of 16% annually. Jemel writes an exponential function of the form f(x) = abx to represent the number of birds after x years. Which values should she use for
answered
Mar 4, 2018
Mathematics
high-school
6
votes
47.5k
views
What is 206/19 as a mixed number?
answered
Sep 21, 2017
Mathematics
middle-school
4
votes
28.1k
views
What did Shays Rebellion show about the Articles of Confederation
answered
May 7, 2017
History
high-school
3
votes
207k
views
Which value most closely represents the amount of freshwater on Earth, as a percentage of the total water on Earth? 71 percent 50 percent 12 percent 2 percent
answered
Mar 27, 2017
Biology
high-school
5
votes
181k
views
Farmer Jones has a herd of cows. Brown coat is dominant over white coat in cows and his cows are all brown. Farmer Jones likes brown cows and wants to keep his herd brown by selling off any heterozygous
answered
Feb 19, 2017
Biology
high-school
4
votes
98.1k
views
A class "S" has a total of 40 students, with the ratio between boys and girls is 3 : 2 The ratio between the girls that join the choir, the girls that join the orchestra, the girls that join the soccer
answered
Feb 23, 2016
Mathematics
middle-school
2
votes
156k
views
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