Halons and CFC’s both .
a.
inhibit ozone formation
b.
cause ozone formation in the troposphere
c.
destroy ozone in the stratosphere
d.
cause excess ozone formation in the stratosphere

Please select the best answer from the choices provided

A
B
C
D

it's the cell cycle, but cytokines is when the cell divides.

theres 3 stages interphase,mitosis,and cytokines.

interphase prepares the cell for division.

mitosis is the process of dividing the cell,it has 4 parts interphase,anaphase,metaphase,and telophase.

lastly there's cytokines,that's when the cell divides into 2 daughter cells

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just finished the test, the answer is d, greg is the least cost-effective because he charges the most for the project