Answer:
Option A.
Explanation:
It travels faster in part A than in B, because the distance between the earth and the sun in part A is shorter.
Answer:
b. "I will begin doing exercises to strengthen the muscles of my back."
Explanation:
The teaching has been effective when the patient states "I will begin doing exercises to strengthen the muscles of my back." because by doing so, the muscles that support his back will be strengthened, which will help him to maintain a correct posture and to make fewer efforts when lifting thing. He should not lift things above the level of his elbows even if he keeps him back straight and bends his knees and hips to lift.
Element describes a pure substance that is made up of only one type of atom. Elements cannot be broken down into more simpler substances. There have been 118 elements discovered by scientists so far.