In a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.
Helium does not react with any other substances, thus the substance’s internal structure is never greatly affected and thus helium cannot have any chemical properties.
Answer:
A. flavor of an apple from a particular tree
Explanation:
edge
Answer: Option B. core samples
Explanation: this is the only option that is not used for locating minerals
Answer:
DNA sequence from left to right
T G A G G A C T T
Explanation:
There are four DNA nitogenous base they include thymine, guanine, cytosine and Adenine. The Nitrogenous bases are complementary that is Adenine is complementary to thymine and cytosine is completely to quanine and they both can replace each other in this manner A-T,C-G and it means that Adenine can pair with thymine and cytosine can only pair with guanine. DNA is known as Deoxyribonucleic acid. DNA sequencing are shown usually from the 5' end to the 3' end . The sense strand in DNA is used in DNA sequences and also it has the antisense strand and also called the coding strand and the non-coding strand are information are contained in the sequence
