Biology WAEC

The effect of chlorofluorocarbon is?

A. reduction of oxygen concentration in the atmosphere
B. depletion of the ozone layer
C. screening of ultra violet rays
D. increase in carbon dioxide concentration

Correct Answer: Option B

B. depletion of the ozone layer

AddThis Website Tools
Sunday

Share
Published by
Sunday
Tags: Biology

Recent Posts

INS 317 Theory Questions: Reinsurance Arrangement and Loss Apportionment: A Practical GuideINS 317 Theory Questions: Reinsurance Arrangement and Loss Apportionment: A Practical Guide

INS 317 Theory Questions: Reinsurance Arrangement and Loss Apportionment: A Practical Guide

300 Level  Department of Insurance exam questions and detailed answers. Download the answers in document format.…

12 mins ago
INS 317 Theory Questions: Reinsurance: Benefits and Practical ApplicationINS 317 Theory Questions: Reinsurance: Benefits and Practical Application

INS 317 Theory Questions: Reinsurance: Benefits and Practical Application

300 Level  Department of Insurance exam questions and detailed answers. Download the answers in document format.…

18 mins ago
INS 315 Theory Questions: The Importance of Training and Retraining in an OrganizationINS 315 Theory Questions: The Importance of Training and Retraining in an Organization

INS 315 Theory Questions: The Importance of Training and Retraining in an Organization

300 Level  Department of Insurance exam questions and detailed answers. Download the answers in document format.…

29 mins ago
INS 315 Theory Questions: The Impact of Indiscipline on Corporate and National ProductivityINS 315 Theory Questions: The Impact of Indiscipline on Corporate and National Productivity

INS 315 Theory Questions: The Impact of Indiscipline on Corporate and National Productivity

300 Level  Department of Insurance exam questions and detailed answers. Download the answers in document format.…

51 mins ago
INS 35 Theory Questions: Performance Appraisal in Organizations: Purpose and ProcessINS 35 Theory Questions: Performance Appraisal in Organizations: Purpose and Process

INS 35 Theory Questions: Performance Appraisal in Organizations: Purpose and Process

300 Level  Department of Insurance exam questions and detailed answers. Download the answers in document format.…

1 hour ago
INS 315 Theory Questions: The Strategic Imperative of Job Analysis and Person-Job Fit in Effective Personnel ManagementINS 315 Theory Questions: The Strategic Imperative of Job Analysis and Person-Job Fit in Effective Personnel Management

INS 315 Theory Questions: The Strategic Imperative of Job Analysis and Person-Job Fit in Effective Personnel Management

300 Level  Department of Insurance exam questions and detailed answers. Download the answers in document format.…

1 hour ago