Only people with weaker immune systems and certain jobs or situations seem to get infected. High risk jobs include agriculture, roofing, construction or being in an environment with bird droppings.
<span>They showed that DNA carries genetic material</span>
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.
