Correct answer - A (Elephants have few offspring, so they need to protect them from predators.)
Why? - The herd is led by the oldest and often largest female in the herd, called a matriarch. They live in herds so that the young elephants stay safe from predators.
Answer:
A
Explanation: You can see that the green colored frogs were once lower than the blue and as time started progressing the green started getting a higher population over the blue, as the blue decreased.
sludge
<span>Sewage treatment is also known as wastewater treatment. It is
a process whereby contaminant is removed from wastewater. Thus, chemical,
biological and physical process are commonly used to remove contaminants from
wastewater and the by-products of wastewater treatment is usually inform of
solid waste known as sewage sludge.</span>
Oxygen enters the blood in the A. Bronchi.
The question is incomplete as it does not have the options which are:
- going to a tailor and having a suit made to fit you
- selecting a lottery prize-winner by means of a random drawing
- going to a shoe store and trying on shoes until you find a pair that fits
- ordering the lunch special at a restaurant without looking at the menu
- picking out a video that you haven't seen yet
Answer:
Going to a shoe store and trying on shoes until you find a pair that fits
Explanation:
Antibodies are the immunoglobulin molecules secreted by the B cells which help the body providing the immunity as they interact with the antigen and help immune system to produce a response.
The variety of the B cells are produced by the body in response to different antigens which produce different type of antibodies. This interaction of antigen and antibodies is known as the complementation and just appear like if you are going to a shop to buys a pair of shoes and tries different shoes to find the best shoe of best size.
Thus, the selected option is correct.