Answer:
the center of gravity will shift
Explanation:
Every single body and thus the athletes themselves, is made up of individual components each of which has its own weight. ... So if the same body is to take a different shape, the position of the center of gravity will shift. An athlete that bends his/her legs will lower his/her center of gravity position.
Answer: 2)
A mnemonic device
Explanation: A mnemonic is a tool or memory aid that helps people to remember or memorize things easily. It helps you to remember an idea or phrase with a pattern of letters, numbers, or relatable associations. Mnemonic devices may include special rhymes and poems, acronyms, images, songs, outlines, and other tools. In the question Luke makes up a sentence using the first letter from each base as the first letters for his words, repeating to himself to help him remember more easily the bases of DNA. In other words Luke formed mnemonics using the first letters of the DNA bases to remember them easily.
They time how long each can hold it up above their heads for, then compare the times. The longest time has the most endurance.
Answer:
Without sparks and flames, and non-flammable equipment.
Explanation:
Cleaning flammable equipment isn't a good idea, since it could catch on fire.
This chemical needs to be kept away from anything that can ignite it, such as sparks or flames.
