Which of the following is a poisonous product still used in developing countries? a. carbon ...

Author Question: Which of the following is a poisonous product still used in developing countries? a. carbon ... (Read 59 times)

shenderson6

Hero Member
Posts: 573

on: Jul 21, 2018

Which of the following is a poisonous product still used in developing countries?

a. carbon monoxide c. tetraethyl lead
b. radon d. sulfur

Question 2

Some scientists insist that a recent upward trend in the temperature of the Earths surface is evidence of:

a. global warming c. oxygen depletion
b. ozone depletion d. respiration

bubulittle310@msn.cn

Sr. Member
Posts: 281

Reply #1 on: Jul 21, 2018

Answer to Question 1

C

Answer to Question 2

A

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