what types of powers are reserved to the states under the 10th amendment?

ownership of property.education of inhabitants.implementation of welfare and other benefits programs and distribution of aid.protecting people from local threats.maintaining a justice system

Carbon monoxide is usually more dangerous indoors.

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

producing or giving rise torelating to or engaged in the production of goods, crops, or other commodities.

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.