![subject](/tpl/images/cats/biologiya.png)
Biology, 17.03.2021 23:40 jeremiahharrisjr
What are the two main sources of energy that power the Earth system?
A. the sun and Earth's interior
B. radioactive decay and volcanic eruptions
C. the sun and the motion of Earth through space
D. the sun and human activities, such as burning fossil fuels
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 00:40
Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism
Answers: 2
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 02:30
What is the surface temperature of the ocean where hurricanes form? greater than 80 celsius approximately 27 celsius at least 76 celsius less than 10.5 celsius
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 06:00
Which is a genetic engineering advancement directly related to a career in biotechnology? 1) improving solar energy collection 2) transporting textiles at higher rates 3)creating crop foods that resist insect pests 4)repairing historical sites with quality materials
Answers: 1
You know the right answer?
What are the two main sources of energy that power the Earth system?
A. the sun and Earth's interio...
Questions
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 30.07.2019 23:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 30.07.2019 23:00
![question](/tpl/images/cats/mat.png)
Mathematics, 30.07.2019 23:00
![question](/tpl/images/cats/mat.png)
Mathematics, 30.07.2019 23:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 30.07.2019 23:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
History, 30.07.2019 23:00
![question](/tpl/images/cats/istoriya.png)
History, 30.07.2019 23:00
![question](/tpl/images/cats/mat.png)
Mathematics, 30.07.2019 23:00
![question](/tpl/images/cats/mat.png)
Mathematics, 30.07.2019 23:00
![question](/tpl/images/cats/mat.png)
Mathematics, 30.07.2019 23:00
![question](/tpl/images/cats/mat.png)
Mathematics, 30.07.2019 23:00
![question](/tpl/images/cats/fizika.png)
Physics, 30.07.2019 23:00
![question](/tpl/images/cats/mat.png)
Mathematics, 30.07.2019 23:00
![question](/tpl/images/cats/en.png)
English, 30.07.2019 23:00