an adjective describing the species
I believe the correct answer from the choices listed above is the second option. <span>The building blocks of a habitat consist of environmental factors. Hope this answers the question. Have a nice day.</span>
Answer:
D. It release hormones into the bloodstream.
Explanation:
I think.
Gravity , Explosion
<u>Explanation:</u>
Nebulae are made of dust and gases—mostly hydrogen and helium. The dust and gases in a nebula are very spread out, but gravity can slowly begin to pull together clumps of dust and gas. As these clumps get bigger and bigger, their gravity gets stronger and stronger.
Eventually, the clump of dust and gas gets so big that it collapses from its own gravity. The collapse causes the material at the center of the cloud to heat up-and this hot core is the beginning of a star.