The answer is play on words, or a pun - a row of large animals separating two yards is called an elefence.
The first part of the word, ele-, obviously refers to elephants, which are large animals. The second part is a fence, which separates two yards. So this is intended to have a humorous effect.
Answer:
protect against pathogens
Explanation:
Answer:
The time it takes particles to form sediment on the bottom of a containers
Explanation:
The dependent variable would be <u>the time it takes different particle sizes to settle out of water in order to form sediment on the bottom of containers.</u>
<em>The dependent variable is an experimental variable whose value varies according to the independent variable supplied by the researcher during the course of an experiment. The value either increases or decreases with each value of the independent variable. </em>
In order to answer the question in the illustration, different particle sizes would have to be supplied by the student as an input - the independent variable - and the time it takes for each particle size to settle and form sediment recorded - the dependent variable.
I think it is 4 but I am not so confident about my answer
The chemical structures of the 22 standard amino acids, along with their chemical properties, are described more fully in the article on these proteinogenic amino acids.