Assume that you are a scientist. The amount of sunlight received in East Asia has decreased due to dust produced from natural disasters such as volcano eruptions and development activities.
Consequently, many plants planted by farmers die. How does this happen? Suggest ways how
the farmers can solve this problem.

Explain at least three factors economists consider the measurement of success, or shortcomings, of the economy? and give examples.

Identify the example of when situation and time are key to assessing risk of harm in a research study: a study on the efficacy of a behavioral intervention for smoking cessation involves both adults and teenagersasking women if they have had an abortionresearch on the prevalence of hiv-infected individuals in communitiesa survey about sexually transmitted diseases

Drugs have a high potential for abuse. there is no routine therapeutic use for these drugs and they are not available for regular use. they may be obtained for “investigational use only” by applying to the u.s. drug enforcement agency. examples include heroin and lsd. which scheduled drug is this?