The brain's suprachiasmatic nucleus regulates the body's circadian rhythms. The suprachiasmatic nucleus is a minute region of the brain located in the hypothalamus above the optic chiasm, the circadian rhythm is the 24-hour cycle of organisms, related to sunlight and temperature.
1. The correct answer is A. silicone.
Silicone is also referred to as polysiloxanes. They are termed as polymers which include any inert. It is a synthetic compound which is made up of repeating units of siloxane. They are heat resistant and rubber-like. They are used in medicine, lubricants, cooking utensils, and electrical insulation.
2. The correct answer is C. Formulating the mix.
It is a way of marketing. There is no formula for multi-channel marketing. The most effective nowadays is multichannel and integrated.
3. The correct answer is B. humus.
Humus is termed as the dark organic matter which forms in the soil when dead plants and animals matter decays. It has a lot of nutrients which helps to improve the health of the soil and most important is the nitrogen. It affects the bulk density of soil which contributes to its retention of nutrients and moisture.
4. The correct answer B. Sweet.
The red soil is described by sweet. Sweet is something which smells good. Red soil develops to temperate, warm, moist climate which is under mixed forest. It has a thin organic and inorganic mineral layer. They are derived from crystalline rock.
5. The correct answer is B. Casting with sulfur.
Sulfur casts have both sides which have the same cast as the original.
The reason they have to be so accurate and precise is because, let's say you were doing a lab or something that was involving chemicals. If you had to put a certain amount of chemicals in your experiment, but when you were doing to the math, you messed up and didn't go back and even bother to fix it, that is a really BIG issue. Because something will probably happen to your chemicals because you might have added to much of something into it. So that's why you always have to be so precise and accurate!
Frameshift mutation affects codons downstream the point of mutation. The previous order of 3 nucleotide- sequences (codons) is consequently changed. This, therefore, changes the protein coded by the mRNA transcribed by the mutated DNA region. Frameshifts are mostly due to insertion or deletion mutations.
Answer: Animal production
Explanation:
Almost all agricultural practices has been found to have negative impact on the environment.
Agricultural activities are very important for the existence of human, therefore, animal protection can be said to be the one with the least adverse effects on the environment.
