D. Asteroids vary greatly in size and are mostly made up stone, iron and nickel
There is a valve at the meeting point between each ureter and the bladder prevents the back flow of urine from the urinary bladder to the kidney
Answer:
<em>The labels <u>I-VII</u> represent the different stages of primary succession. I-bare rocks, II-pioneers (mosses, lichen, algae, fungi), III-annual herbaceous plants, IV-perennial herbaceous plants and grasses, V-shrubs, VI-shade intolerant trees, VII-shade tolerant trees.</em>
A vertebrate is an animal with a backbone.
Answer:
There are 2 sexes however gender is a spectrum and has proven to part of the brain so yes.
