Im like 98% sure its B because ultra sounds hear the frequency's of the baby in the womb
Answer:
atoms
Explanation:
Atoms are the building blocks of elements.
Competition allows science to advance at a faster pace.
Think of it as an arms race: when a country builds one battleship, their enemy builds two. This continues as both countries try to outdo each other. Competitive science works the same way.
Explanation:
Protons and neutrons are subatomic particles found in the atom of any substance.
These particles collectively determines the mass number of the atom.
- Protons are positively charged particles found in the nucleus of an atom.
- Neutrons do not carry any charges and are also found in the nucleus.
- Electrons are negatively charged particles.
Electrons occupy the extranuclear space of an atom.
As the gills does not develop into gills, they are likely to
contribute to the development of the lower jaw of the human embryo though after
the embryonic stage, the gill slits won’t be retained or won’t be a part of a
human as they only appear during embryonic stage for the development of the
lower jaw.
