Answer:
Yersinia pestis is the causative agent of plague
Explanation:
Rodents, such as rats, carry the disease. It is spread by their fleas.
Answer:
<em>The sun or solar energy is at the start of almost every energy
</em>
<em>
chain.</em>
Explanation:
Answer:
the tips of the steams and roots, also known as an apices
To solve the stability problem, Bohr modified the Rutherford model by making sure that the electrons move in orbits of specific size and energy. The energy of an electron depends on the size of the orbit and is lower for smaller orbits. However, radiation can only happen when the electron jumps from one orbit to another.
