Answer:
b. Loose clothing and jewelry is more likely to impede movement, or accidentally knock materials over, causing a spill or other accident.
Explanation:
Hello,
During the laboratories, a high dexterity is required, thus, such accessories, when you move or change your duty, could touch other materials or act out of your control resulting in spillages and constricting your proper movements and skills, that is why considering the lab safety policy, we must take those artifacts away from the chemistry lab.
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Answer:
3 moles
Explanation:
3 moles atoms are needed to react with 50 grams of O2 gas.
An atom is the smallest unit if a matter that has properties of an element.
A molecule is a single unit created by two or more atoms that are tightly bonded together.
Hope this helped :)
Explanation:
heliocentric means having the sun in the middle/center in the solar system
geocentric means having the earth in the middle/center in the solar system
therefore your answers are:
the planets orbit the sun.
in 1543, Nicolaus Copernicus proposed the theory.
the evidence that led people to believe this was when Galileo observed that four moons orbited around Jupiter. in other words, heliocentric.
most of the stars are located in the milky way galaxy.
Answer:
Eukarya
Explanation:
Organisms in the domain Eukarya keep their genetic material in a nucleus and include the plants, animals, fungi, and protists.
