Antigens, like antibodies, are types of proteins and can cause infections from these common sources bactena, viruses, and environmental factors

Which is the correct way to write the underlined part of the sentence?
A sources, bacteria
B. sources bacteria
C. sources bacteria
D. Sources Bacteria

covert: hidden or secret

candid: truthful and straightforward

what i get from these phrases is covert means undercover or underground and that's where the flower is in april. on the other hand, may is the month where flowers start to bloom and thats the reason why candid is being used as a word to describe the blossoming period of a flower.

hope this answer you.

the correct answer is d. gerunds. hope this