Answer: Turn the rotating nosepiece.
Explanation:
Yes it is, because not all technological advancements will be used correctly. For example nuclear technological advancements looked like a good idea back when they invented it, but now countries are trying to get nuclear weapon and plant locations so they can possibly use that in a war against another country
Answer:
Thomas Eddison
Explanation:
Well there are 8 but the one who created it by hand was Thomas Edison
Answer: They do affect the health of an ecosystem.
Explanation: In an ecosystem there are many things that are biotic and abiotic. For an example: water is abiotic and plants/animals are all biotic, the water is not living but it keeps the ecosystem alive by quenching the thirst of the plants growing from the ground and the animals roaming around on the land. Dead animals and plants are not abiotic and they are now providing food for fungi and bacteria. Without the abiotic factors, it would be difficult for the biotic to survive.
