Answer:
A system that uses the sun's energy without requiring mechanical devices (pumps or fans) to distribute the collected heat are called solar system while radiator system uses fuel to heat the water. in active solar heating system, the SUN's energy used to heat water.
Answer:
abiotic and biotic
Explanation:
the abiotic components of any ecosystem are properties os the environment
Answer:
c. single bond
b. double bond
d. unsaturated fatty acid
The rest is right :)
Explanation:
"C" is a single bond because saturated fats only have single bonds (no double bonds!)
Unsaturated fatty acids, on the other hand, have a double bond, creating a bent shape.
Subordinate clause I just took test
A . Value because that’s your valued opinion