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__________ are fairly small organelles that provide a safe place within the cell to carry out certain biochemical reactions that generate harmful, highly reactive oxygen species. These chemicals are both
answered
Mar 14, 2020
Biology
high-school
5
votes
863
views
What is the cumulative exam for U.S history?
answered
Dec 23, 2019
History
high-school
3
votes
211k
views
What best explains the type of energy present in the wheels of a moving bus
answered
Dec 19, 2019
Chemistry
middle-school
4
votes
31.2k
views
A pet store has k tanks of fish. Each tank has 28 fish. Using k, write an expression for the total number of fish in the store.
answered
Apr 27, 2019
Mathematics
high-school
6
votes
87.6k
views
a bacteria culture is grown with a population of 45 million cells and kept under observation. the cell population is found to double every hour. what will the population be after 4 hours ?
answered
Feb 13, 2019
Mathematics
high-school
3
votes
117k
views
In the respiratory system certain structures allow air to pass from the trachea to the lungs. They are lined with thin muscles and coated with epithelial cells. These structures are called
answered
Sep 19, 2018
Health
high-school
6
votes
28.9k
views
Can you help me with this??? (Algebra 1) the bottom part.
answered
Sep 18, 2018
Mathematics
high-school
1
vote
59.3k
views
The ________ is drawn from selected subgroups of a target population.
answered
Aug 11, 2018
Business
high-school
3
votes
14.2k
views
I really need help on this
answered
Feb 15, 2018
Mathematics
college
3
votes
118k
views
Which of the following statements is not true? A- The top predators are not always the largest animals. B-When humans eat vegetables, we are being primary consumers. C- If an orangutan is a secondary consumer
answered
Jun 11, 2017
Biology
middle-school
6
votes
213k
views
Which of the following best describes an adaptation that developed, enabling primitive plants to make the transition to survival on land?. . Phloem developed to transport water from the plant’s roots to
answered
Apr 29, 2017
Biology
high-school
0
votes
96.5k
views
Under what operations are the set of integers closed? Explain your answer.
answered
Apr 21, 2017
Mathematics
high-school
4
votes
155k
views
What does global warming usually refer to?
answered
Feb 16, 2017
Biology
middle-school
1
vote
222k
views
In Greek tragedy, hubris is excessive pride or vanity that causes characters to overstep their boundaries and then fall in vain. In Antigone, Creon displays hubris when he takes matters of life and death
answered
Jan 20, 2017
English
high-school
3
votes
84.1k
views
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