What type of light do astronomers use to look through nebulae?

answer:

explanation:

when astronomers aim an infrared detector at a cloud of gas and dust, for example, the infrared light from the protostellar objects inside the cloud can pass through the gas and dust. that gives astronomers a look inside the stellar nursery.

1.cause they have wings

2.cause they are insects

3.cause they are

answer:

the reaction is type of combination reaction.

explanation:

on the product side, there are 2 molecules of bonded to fe   which means one atom of fe are combined two molecules of . so, balanced chemical equation becomes :

this reaction follows the reaction type of combination reaction. a combination reaction is defined as chemical reaction in which reactants combines together to form a single product.