Answers by Dukens
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Answers by Dukens

Answers by Dukens
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Study the timeline. A timeline. 4.5 billion years ago, Earth is formed. 4.3 billion years ago, Earliest water. 4.1 billion years ago, Single celled life. 3.5 billion years ago, Earliest oxygen and photosynthesis.
answered Nov 21, 2021
1 vote
111k views
Corals obtain energy from tiny photosynthetic algae, called zooxanthellae, which live inside the coral’s tissue. How do you think corals would be affected by cloudy, muddy water?
answered Oct 16, 2021
1 vote
207k views
Adriana y Claudia (adelgazar) si (comer) menos todos los días. Question 2 with 2 blanksSi Gustavo (conseguir) un trabajo mejor, (él) (ganar) más dinero. Question 3 with 2 blanksSi el amigo de Gerardo la
answered Sep 28, 2021
3 votes
15.3k views
Regulation of breathing is controlled not by the amount of oxygen circulating in the blood but by blood pH. When the blood becomes too acidic, receptors in the brain respond to changes in blood pH and
answered Jul 24, 2021
4 votes
160k views
* I NEED HELP ASAP!!! I WILL GIVE 50 POINTS!!!!
answered May 24, 2021
5 votes
26.3k views
2+2+4+32 please solve :D
answered Apr 25, 2021
2 votes
154k views
4x - 2y = 6 y = - 2x - 1 solve
answered Mar 30, 2021
5 votes
131k views
Suppose Ms. Smith sells her 2018 Honda Fit next year. The original cost of the vehicle was $10,000. During the time she has owned the car she has taken $3,000 dollars of deprecation on it. Ms. Williams
answered Feb 8, 2021
7 votes
93.9k views
What are some applications of biotechnology?
answered Feb 3, 2021
2 votes
224k views
Read this excerpt from A Girl from Yamhill. Proud to be the bearer of astonishing news, I run back. "Daddy! There's a tree in the sitting room!" I expect my father to spring from his chair, alarmed, and
answered Jan 8, 2021
4 votes
164k views
Easy question! Please help! And please tell me which line to use! (open circle or closed circle)
answered Jan 6, 2021
3 votes
74.0k views
Match the words to the sentence it goes with
answered Dec 17, 2020
4 votes
198k views
If you had four friends and shared five pizzas equally how many pizzas
answered Nov 14, 2020
1 vote
207k views
Explain how an individuals living with a smoker might benefit once he or she quits smoking
answered Sep 29, 2020
3 votes
26.3k views
Please help ASAP 50 points :(((
answered Sep 7, 2020
0 votes
126k views
Why was popular sovereignty so well-supported as a just and fair way to settle the slavery question?
answered Jul 9, 2020
1 vote
22.6k views
Select the correct text in the passage. Which two sentences in this passage describe Jessica's good academic habits? Since an important test was coming up, Jessica and her friends made plans to meet up
answered Apr 23, 2020
2 votes
41.0k views
How did the geography of the Indian sub-continent, during the reign of the Gupta, contribute to the movement of the people and ideas?
answered Nov 2, 2019
6 votes
31.1k views
What did the united states do to help pay for the war of 1812
answered Sep 7, 2019
4 votes
66.5k views
How many clusters do vocational counselor group career and occupational specialties into?
answered May 30, 2019
3 votes
159k views
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