Answer:
Prehistoric
Explanation:
The Prehistoric Period—or when there was human life before records documented human activity—roughly dates from 2.5 million years ago to 1,200 B.C. It is generally categorized in three archaeological periods: the Stone Age, Bronze Age and Iron Age.
It is a to my knowledge, but I will give an update when i find out
Answer:
Solar energy is the most efficient compared to fossil fuels. The sun is a free and renewable source of energy. Solar energy also has less environmental impact.
Answer:
Pollution prevention
Explanation:
The water conservation strategy being used when a household uses eco-friendly cleaning products would be <u>pollution prevention</u>.
<em>The cleaning of household materials generally generates wastewaters that somehow find their way into the water cycle of the environment. </em><u><em>Eco-friendly products are those that do not harm the environment in any way </em></u><em>and the use of eco-friendly cleaning products would ensure that the wastewaters generated from cleanings are minimally polluted, effectively conserving the water due to the environment.</em>
