Answer: not sure but I believe its e
Explanation:
The tools of monetary policy work together to keep a healthy economic growth.
* reserve requirements
* open market operations
* discount rate
* government spending
^ I believe that all of these could keep the economy healthy is some sort of way.
You need to upload pictures of the sources so we can see them :)
Answer: either A or D but i'm pretty sure that it's D
Explanation:
The way the understanding of the solar system has changed is through the knowledge of the Hadean Era when the solar system was still in its formative stage.
<h3>What is the Solar System?</h3>
This refers to the planetary system that contains the sun and the nine planets that revolve around each other.
Hence, we can see that the Hadean Era happened about 4.6 billion years ago when the clouds of dust and gas formed a solar nebula which brought about asteroids, moons, planets, etc.
Read more about the solar system here:
brainly.com/question/1286910
#SPJ1