Answer:
The thrust of the air propels the balloon in the opposite direction
Explanation:
Answer:
D
Explanation:
The acids in your stomach break down the food you eat
Answer:
B. introns; exons
Explanation:
Related genes from different organism usually translate to proteins of indispensable functions. This means that the proteins must be similar in terms of amino acids produced. Therefore the coding region must be highly conserved. These can be found in the introns. Conversely, exons are not a part of the coding sequence and therefore not required for translation. These sequences may be less conserved.
On way to test a mineral is to break it and see how many directions of Cleavage it has
