Which of the following are the reasons for pouring used acids and alkalis into waste bottles instead of the sink? (1) acids and alkalis may corrode the pipes.
(2) acids and alkalis are harmful to the environment.
(3) acids and alkalis should be collected for treatment before discharge.
A (1) and (2) only
B (1) and (3) only
C (2) and (3) only
D (1), (2) and (3)

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397

An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³

Draw the lewis structure for the trisulfur s3 molecule. be sure to include all resonance structures that satisfy the octet rule.