Which gas in Earth's atmosphere has increased over time due to burning fossil fuels? oxygen
O nitrogen
water vapor
O carbon dioxide
Mark this and retum

The primary purpose of a certificate of confidentiality is to: allow law enforcement to investigate abuse cases.protect researchers from disclosing conflicts of interest.prevent subjects from knowing the purpose of a study.protect identifiable research information from compelled disclosure.

What is one major role of political parties in u.s. politics

In the case of furman v. georgia (1972), the united states supreme court ruled that the death penalty- in specific cases- being arbitrarily and inconsistently imposed, often in a discriminatory manner. as a result, the imposition of the death penalty as a punishment was stopped throughout the united states.