Where is the centromere located on the chromosome, and what is its role? 1. It is not exactly at center, and it attaches to spindle fibers during cell division.
2. It is exactly at the center, and it attaches to spindle fibers during cell division.
3. It is exactly at the center and it is responsible for making the q-arm longer than the p-arm.
4. It is not exactly at the center, and it always makes the p-arm longer than the q-arm.

[content deleted] - user123802726recklesschicken

1 digestive system

2 stomach

3 bladder

4 carbon deoxide

5 tiger

false because ozone (o3) depletion does not cause global warming, but both of these environmental problems have a common cause: human activities that release pollutants into the atmosphere altering it.

global warming is caused primarily by putting too much carbon dioxide into the atmosphere when coal, oil, and natural gas are burned to generate electricity or to run our cars.

explanation:

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.