Answer:
A group of protons and neutrons that are surrounded by electrons I think that's the answer...
Explanation:
Answer:
Fetal Hb binds oxygen more tightly than adult Hb (not option a)
Answer:
louder sound.
Explanation:
The amplitude of a sound wave determines its loudness or volume. A larger amplitude means a louder sound
Rate of speed (3 m/s north is three miles per second north, so it's a rate of speed)
