Answer:
The biology is a branch of science which deals with living organisms
Some ways in which communicable diseases spread are by: physical contact with an infected person, such as through touch (staphylococcus), sexual intercourse (gonorrhea, HIV), fecal/oral transmission (hepatitis A), or droplets (influenza, TB) travel through the air, such as tuberculosis or measles.
They Are Called Sound Waves.
This is what lets our ears hear "Listen" To noise
i hope this helps you
D. Estuaries
Estuaries are a place where fresh and salt water mix.
It has more similarity to fossils in layer A than layer D.
