Heating/Cooling of a house takes up about 47% of energy and uses tons of natural gas. I’m not sure if you’d refer to this as an air conditioner or something else.

3 0

3 years ago

Four elements that comprise over 95% of the human body are _____. carbon, phosphorus, oxygen, hydrogen calcium, phosphorus, hydr

lora16 [44]

Carbon, oxygen, calcium,phosphorus

7 0

3 years ago

What should students ALWAYS wear in the science laboratory? A) gloves B) slippers C) contact lenses D) safety goggles

VladimirAG [237]

You should always suppose to have safety goggles because you don't want to hurt your eyes

8 0

3 years ago

Gregory wanted to know what type of food spiders prefer to eat, so he performed two different investigations.

pantera1 [17]

C. Both investigations have benefits and limitations and should be examined together to get the most reliable result

4 0

3 years ago