Answer: C
Explanation:
HIV is classified as a retrovirus because its genetic material is composed of single-stranded RNA nucleotide. And also Retroviruses have the enzyme reverse transcriptase, which is capable of making a DNA copy of its RNA once inside the infected host cell
Answer:
a) Greenhouse Effect.
b) Nuclear Energy.
Explanation:
a) The Greenhouse Effect is one general effect of overuse of an environmental resource. Through this effect Earth's surface is warmed, destabilising environmental temperature. This effect is caused by the hydrocarbons overexploitation.
b) Nuclear Energy could be an option to decrease the hydrocarbons overexploitation. Even tough, nuclear energy doesn't produce that much greenhouse gases, that's why is an option that some governments are considering.
c) The earthquake that happened in Easter Island could be an indicative of environmental issues, because the greenhouse effect can produce earthquakes, due to the elevation of the Earth temperature, icebergs are melting in the Earth Poles, causing a bump effect in the Earth crust.
Correct answer: Frozen Items
It is important to store frozen item consistently at -18°C or lower than that in order to stop the growth of bacteria, fungi etc, which are known to spoil the food and may cause food poising if food is not stored under appropriate temperature. So, it is very important to store frozen foods into freezer and airtight containers.
Hence, the correct answer would be frozen items.
The answer is b because you have a case of osmosis :)) water leaves the cell because the salt basically forces it out shrinking the cell wall :)