The answer is C. Nicotine is the substance found in tobacco smoke that stimulates the brain.
Scientific laws and theories have different jobs to do. A scientific law predicts the results of certain initial conditions. ... In contrast, a theory tries to provide the most logical explanation about why things happen as they do.
Answer:
2%
Explanation:
.98 is 98% of one and therefore they are missing 2%
Answer:
D. The presence of a base catalyst.
E. The presence of an acid catalyst. and
F. The presence of heat.
Explanation:
The answer is <span>ReGallium or Indium</span>