Author Question: Which of the following human activities contribute significantly to increased water pollution? A) ... (Read 37 times)

tsand2 · **on:** Aug 27, 2018

Which of the following human activities contribute significantly to increased water pollution?

A) oil spills
B) releasing industrial wastes
C) pouring household chemicals, outdated medicines, etc. down the drain
D) All of these contribute significantly to water pollution.

Question 2

Animal fats are

A) solids and have a smaller proportion of unsaturated fats.
B) solids and have a higher proportion of unsaturated fats.
C) liquids and have a higher proportion of unsaturated fats.
D) liquids and have a smaller proportion of unsaturated fats.