Hello!
If you look at a zipper, you'll see that it doesn't have a wheel or an axle. A zipper links the <span>protruding teeth that the zip contains. Your answer would be B!
You can feel free to let me know if you have any questions regarding this!
Thanks!
- TetraFish</span>
Consumers. we are on top of the food pyramid being lead consumers
Answer:
c. When a rose bush cell divides, it copies its parts then divides into two cells <em><u>and</u></em>
d. The bacterium was formed when another bacterium divided
Explanation:
C is correct because the cells inside are part of a larger being (the rose bush), when they divide they are simply creating more cells (hence making the rose bush grow).
D is correct because bacterium are <u>unicellular</u> organisms, meaning they are themselves single cells that are organisms, unlike the rose bush consisting of many cells.
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Chemical energy usage in the human brain..
Nervous always passed electricals stimulation of in the brain
One major lab accident was of fire where gases were exposed to heat.
<u>Explanation:</u>
Accidents that occur in the laboratory which lead to some mishappening are known as the lab accidents. The reasons for such accidents may be many like fire, chemical spills, personal injuries and so on. To avoid all this, there should be proper check and focus while working in the lab.
One of the major lab accidents was of the fire when gas was exposed to heat. The chemical involved in this accident was the use of methane. The type of personal protective equipment worn at the time of accident was protective eye-wear and the lab coat and the lab gloves. To avoid such kind of accidents, people in lab should be very careful and it should be made sure that there are proper equipment in case of any mishap.
