The atmosphere is important because it contains ozone layers that absorb ultraviolet radiation UV coming from the sun, by thus it is protecting human beings and most living species from negative ultraviolet radiation and thanks to that many species live on Earth. Besides, that atmosphere keeps Earth warm thanks to greenhouse it produces and lowers the temperature leaps between day and night.
Answer: True
Explanation:
There is a positive correlation between the number if hours she sleeps and her quiz grades.
Answer:
(3) protons
Explanation:
Magnetic fields are produced by charged particles in motion. Let's analyze each option:
(1) x rays --> they consist of photons, which are neutral particles, so they don't produce magnetic fields
(2) gamma rays --> they consist of photons, which are neutral particles, so they don't produce magnetic fields
(3) protons --> protons are charged particles, so they can produce magnetic fields if they are in motion
(4) neutrons --> neutrons are neutral particles, so they don't produce magnetic fields
Answer: What a business bases its price on.
Explanation: ...