Which is the origin of the sun’s energy?(1 point)

Question

Responses

solar flares

burning hydrogen

charged particles

nuclear fusion

Answer 1

nuclear fusion

Answer 2

Two astronomers are viewing temperature data from each of the sun's layers, but the layers aren't identified. Describe one way the scientists can use temperature to identify which layer they are studying.(1 point)
Responses

The highest temperatures are from the corona.

The lowest temperatures are from the core.

The highest temperatures are from the radiative zone.

The lowest temperatures are from the photosphere.

Answer 3

The highest temperatures are from the corona.

Answer 4

How have astronomers formed their ideas about the layers of the sun?(1 point)
Responses

developing mathematical models based only on known data

using theoretical models combined with known data

observing all the layers during total solar eclipses

making direct observations of the sun's layers

Answer 5

using theoretical models combined with known data

Answer 6

Which of the following protects Earth's atmosphere from solar wind?(1 point)
Responses

radiative zone
radiative zone

convection currents
convection currents

magnetosphere
magnetosphere

hydrogen atoms

Answer 7

magnetosphere