D i think again im not sure but thats what i think
Certain vaccines are live which means they are putting the actual virus into the patient thought the injection. This means people who are immune compromised can’t have these because they will get very sick. This is the only way I know how to answer
Answer:
2.2 pounds.
Explanation:
a kilogram is 2.2lbs, and at sea level weighs 2.2 pounds, as sea level is the same as 0ft.
Answer:
Option (D)
Explanation:
In terms of chemistry, a catalyst is usually defined as the substance that is commonly used in a reaction in order to increase the rate of reaction, without getting consumed. It helps in the reduction of activation energy.
In the given case, the lever or a person can be considered as a catalyst because both of these will increase the efficiency (or rate) in removing the rock from the top of the perch. Thus, the lever or the human will remain the same after the removal of rock as a catalyst can be recovered after the reaction.
Therefore, the correct answer is option (D).
D) Atom... is the right option