Answer:
B. Genetic engineering of a virus to create a biological weapon.
C.Use of genetic modification to produce laboratory mice with D.Alzheimer's disease.
E.Use of genetic modification to produce a superior race of humans
Explanation: Biotechnology is the use of biology to solve various problems.
Modern biotechnology has provide various technologies to fight debilitating and rare disease, increase food production and the use less and cleaner energy.
The use of Genetically modified organism(GMO)produced through genetic engineering is one of the major biotechnology that is used in this age or generation. GMO's contains genes that are artificially engineered into them that are beneficiary.
The citrus fruits are a good source of vitamin C.
The dark green leafy vegetables also have many important vitamins and minerals. They are an abundant source of vitamin C, A, K as well as (folate vitamin B9). Other than these, they also provide iron and calcium. The dark green leafy vegetables are also a great source of fibres. But, they are not very good source of ZINC or selenium.
hence, the correct answer is option A. Vitamin
Answer:
1. Earth's ozone layer is responsible for absorbing infrared and ultraviolet rays from the sun.
2. Changes in the composition of the atmosphere have caused gradual changes in earth's climate, causing changes in plant and animal life that contributed to mass extinctions.
3. Chemical chlorofluorocarbons (CFCs) have been banned and replaced with hydrochlorofluorocarbons (HCFCs).
4. Naturally occurring volcanic eruptions can produce large amounts of gases which contain sulfur. These gases accumulate in the atmosphere in the same way as man-made sulphuroxides.
Sorry, but after that I don't know.
Explanation:
The answer is b. North Atlantic drift, hope this is right
Proteins are the building blocks of carbohydrates
