The corona .
is the part of the sun that we see from Earth
releases mostly harmful UV and X-r...
![subject](/tpl/images/cats/biologiya.png)
Biology, 26.03.2021 19:10 tasiaandrews123
The corona .
is the part of the sun that we see from Earth
releases mostly harmful UV and X-ray radiation
creates the sun's energy from nuclear reactions
is mostly made of helium atoms
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 22:00
Living cells cannot use heat to provide the activation energy for biochemical reactions because which choice(s) complete the sentence correctly? a) answer choice ii. eliminate b) answer choices ii and iv. c) answer choice iii and iv. d) all answers can complete the sentence.
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 05:00
What is the farthest destination to date for a human spaceflight mission?
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 09:20
Which type of stimulus do mechanoreceptors detect? sound pain heat light
Answers: 2
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 10:00
Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in veins? a. pressure applied by the heart b. one–way valves in veins c. thin muscular walls of veins
Answers: 2
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 12.05.2021 20:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 12.05.2021 20:30
![question](/tpl/images/cats/mat.png)
Mathematics, 12.05.2021 20:30
![question](/tpl/images/cats/mat.png)
Mathematics, 12.05.2021 20:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 12.05.2021 20:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 12.05.2021 20:30
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 12.05.2021 20:30
![question](/tpl/images/cats/mat.png)
Mathematics, 12.05.2021 20:30
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 12.05.2021 20:30
![question](/tpl/images/cats/mat.png)
Mathematics, 12.05.2021 20:30
![question](/tpl/images/cats/en.png)
English, 12.05.2021 20:30
![question](/tpl/images/cats/himiya.png)
Chemistry, 12.05.2021 20:30