B) wavelength
Notice how Z goes from one wave's crest (top) to another's crest. Wavelength can also be measured from a wave's trough (bottom) to the next one's trough.
Facial expressions, body movement and posture, gestures, eye contact, touch, space, and voice.
This can be because of their genetics. The siblings may not have inherited their parents looks, but maybe they inherited their grandparents looks, or even their aunts looks. This is all due to genetics. It's sort of the same thing, when two caucasian parents have an african-american child. That would be because somewhere along the family tree someone was african-american.
Anyways, I hope this helps!
All ecosystems have a feeding hierarchy
Answer:
a regulated movement of the plant hormone auxin known as polar auxin transport.