They are accepted as true until they are proven false. Once a theory has been tested and it is wrong, then it is no longer true.
Answer: Alluvial Fan!
Explanation:
Alluvial is a rich soil that is great for growing plants therefore you should grow crops there
By process of elimination you can find the right answer. We know for a fact that carbon is found in all living organisms. That is why we talk about carbon based life forms. So the first statement cannot be true. You can figure out how many Valence electrons an element has by looking at the group number. The group number of carbon is 4 so the 2nd statement cannot be true. We know that carbon does bond with other elements because it is not a noble gas and therefore must be able to form compounds.
This means the answer must be they can form up to four covalent bonds
<span>42. There are 206 bones in the human body. The axial skeleton comprises of 80 bones and the remaining 126 bones make up the appendicular skeleton. These bones are unfused. The appendicular skeleton (or appendages) can be further divided into six major regions.</span>
Answer:
Mutations. A mutation is a random change in DNA which therefore affects a gene and/or chromosome . ... If a mutation causes a new phenotype that makes an organisms better suited to a particular environment, it can lead to rapid change in the characteristics of the individuals in that species.
