<u>ANSWER:</u>
Ogallala aquifer supplies "one-third of the irrigation water" in the United States.
<u>EXPLANATION:</u>
- The "Ogallala aquifer" is located in the "Great Plains of the United States" and therefore gives life to almost all fields of the US.
- The aquifer supplies water for one-third irrigation needs of the United States. The Ogallala is an underground reservoir and is very big in size and the agriculture production in the US is dependent on this aquifer.
- The aquifer is however depleting and water level in many areas has become very low.
- It is important for United States to protect and preserve this aquifer so that the agricultural production does not suffer.
Answer:
A) A single base pair change.
Explanation:
Point mutation is a change in a single base pair of a nucleotide. This comes as a results of mistakes made during DNA replication, induced by ultravoilet radiations, extreme heat and X-rays. There are three types of point or substitution mutations; change, deletion and insertion. The nucleotide bases are either mistakenly inserted, changed or deleted, thus changing the resulting protein or amino acid being coded for.
Simple. exocine glands are found in the Adrenal. glands of dogs
Water is a key element and necessary thing life needs in order to live and thrive without water everything would die.
Deoxyribonucleic Acid, or DNA is in the shape of a double helix
