Answer:
Option "A" might be the correct answer
Explanation:
there are some of those viruses where it can be quite potent. Some viruses, such as the rhinoviruses, seldom cause serious illness. But others, such as parainfluenza and respiratory syncytial virus, can lead to severe lung infections in young children.
Answer:
B
Explanation:
It is believed that the carbon stored in ancient dead plants is what makes up fossil fuels.
Answer:
Explanation: Sponges are animals with dense skeletons that are highly adapted to their environments.
Active transport is the process in which substances are absorbed against a concentration gradient, i.e. from a lower to a higher concentration.
25% will be expected to have the TTYy combination.
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