Answer:
control group
Explanation:
The control group is exposed to the same conditions as the experimental group, except for the variable being tested.
Out of the choices given, the reason why Kathy's body feels sore and she has pain in her limbs after vigorously exercising is an accumulation of lactic acid in the muscles of her limbs. The correct answer is A.
...the results of natural and unnatural processes, and of interactions of the physical components of the planet on the environment.
plz mark me as brainliest :)
Graphite is well known to be pencil lead - You might actually learn this in Chemistry/Physical Science like we did!
Charcoal & coal you cannot use - you could but it'd be difficult and irritating.
Fullerene is the third form of carbon. It can be used for electronics AND medicine. Amazing right??