Barter system- A method of exchange when no money is involved.
B and C can't be the answers because they are not exchanging anything.
D can't be the answer either because there is money involved.
So your answer is A) You trade an apple for a banana at school. because you are exchanging something with someone for something else thats not money.
Hope this Helps!!
Answer:
1. True
Proteins are frequently called the building blocks of life because they are found everywhere: in our cells, bones, muscles, blood, hormones, enzymes and more. It is thanks to proteins that our body has any sort of structure to it.
2.False
Tissues are groups of similar cells that have a common function. An organ is a structure that is composed of at least two or more tissue types and performs a specific set of functions for the body. Many organs working together to accomplish a common purpose is called an organ system.
3. False
Prokaryotes are unicellular organisms that lack organelles or other internal membrane-bound structures. Therefore, they do not have a nucleus, but, instead, generally have a single chromosome: a piece of circular, double-stranded DNA located in an area of the cell called the nucleoid.
4. False
False, blood cells don't have a rigid cell wall. Plants and Bacteria have rigid cell walls, but not blood cells!
They both keep each branch in its place and make sure their job is being done.
Answer:
Correct Answer:
A. All of these all correct
Explanation:
Megalopolis also called a city cluster is a group of two or more roughly adjacent metropolitan areas, which may be somewhat separated or may merge into a continuous urban region. <em>For example, the North- East Magalopolis in U.S.A is a region which contained over 50 million people, about 17% of the U.S. population on less than 2% of the nation's land area.</em>
Answer:
The answer is D, ability to compensate your weaknesses
Explanation:
There is a saying that "ignorance is the excuse for a stupid act" however, if you have attained a position of self knowledge, you can always find a way to exonerate yourself from any form of indictment.
Self knowledge leads to self awareness of one's self and personality. That way, you are able to compensate other forms of weaknesses displayed.