Answer:
It's the last one
Explanation:
The grand canyon was formed by erosion of water. That is the only option with erosion of water for the grand canyon
As I had said before, but was deleted, the amino acid was Histidine, this is known because of the codon is CAU, and is found from various tables that show the codons and their corresponding amino acids.
Answer:
A. The scientist should restart the experiment at a step prior to
contamination.
Explanation:
Examples of biting and chewing pests are snails, slugs, caterpillar, Helicoverpa, diamond black moth, beetles , termites, leaf worms, grass hoppers etc.
Examples of piercing insects are lace bugs, aphids, white flies, glassy winged sharp shooter, false chinch bugs, Bargrada bug, mealy bug, Eugenia psyllid, Pittosporum psyllid, Tipu psyllid etc.
<u>Explanation:</u>
Pests that affect crops have different feeding habits. Some pests belong to the type biting and chewing pests. These pests bite into the plant parts and chew them. This will leave circular holes in the leaves and semicircular holes in the leaf edges.
Piercing and sucking insects pierce into the plant parts and suck the sap. Removal of sap turns the plants yellow, and wilted. The growth might get stunted and in severe cases the plant may die off.
Answer: If the area of observation in the experiment had not been restricted to the area of the root tip that is actively dividing, then the results of the experiment would have been different because the cells would supposedly be spending their entire existence in inter-phase.
