Answer:
ai) P= Red blood cell Q= Alveoli
ii)1. It gives the lungs a large surface area to volume ratio.
2. It is moist and thin.
b) P has a disc or biconcave shape which allows the O2 to bind to it with the help of a protein called haemoglobin for it to be transferred to various parts of the body.
c) Carbon monoxide will bind to the haemoglobin to form carboxyhaemoglobin causing oxygen disruption
Answer:
0.004 m/yr.
Explanation:
Hello!
In this case, since the velocity of any object is computed by dividing the travelled distance by the elapsed time, we obtain:

It means that the plate moves 0.004 m every year.
Best regards!
Answer:
The correct option is <u>A. It will soon start to grow.</u>
Explanation:
In biological terms, a food chain can be described as a linear representation of energy flow in an ecosystem. It usually starts with the producers and then represents a chain until the decomposers.
A change in any of the species population of the food chain can affect the food chain widely. For example, in the question above, <em>as the population of algae increases, the population of minnows will also increase. This is because there will be more supply of food for the minnows.</em>
I know that it is during cellular respiration, but I'm not sure between b or d
I wanna say it's sand stone but I'm not sure what you are learning about