the layer o the rock like in limestone you can see each layer is different and the one at the very bottom is the oldest
The correct answer is option C, Mass
Mass is a constant quantity
Volume changes as ten vertical feet of original peat material becomes one vertical foot of coal
Area changes as the space occupied by the peat get reduced after squeezing
Density is mass/volume, since volume reduces , density increases.
Answer:
I believe the answer is B
Explanation:
I hope this helps
Answer:
Hepatitis A and B have different routed of transmission.
A vaccine against A doesn't protect against B.
Explanation:
Type A hepatitis is spreaded by the intake of contaminated water or food, and hepatitis B is transmitted by blood via sex, perinatal or contaminated needles
Unlike hepatitis b, hepatitis A does not cause chronic liver disease
The hepatitis B vaccine only works for this type of hepatitis because this vaccine is made up of parts of the hepatitis B virus. The viruses that cause hepatitis A and B are different, therefore different vaccines are needed.
Answer is 2. here are a number of different proteins within the Cell membrane.