Which one is correct?
1- Briefly describe the usage of Nitrogen, Phosphorus, and Potassium as fertilizer/a fertilizer/fertilizers in plants.
2- When did the U.S start using nuclear bombs as a weapon/weapons.
1- Briefly describe the usage of Nitrogen, Phosphorus, and Potassium as fertilizers in plants.
2- When did the U.S. start using nuclear bombs as a weapon?
cat desk1- Briefly describe the usage of Nitrogen, Phosphorus, and Potassium as fertilizer/a fertilizer/fertilizers in plants.
We don't capitalize the elements. We don't use fertilizers in plants. "Usage" does not mean what you think it means.
Briefly describe the use of nitrogen, phosphorus, and potassium in fertilizer.
cat desk2- When did the U.S start using nuclear bombs as a weapon/weapons.
It is best to make the numbers match. End a question with a question mark.
When did the US start using nuclear bombs as weapons?
When did the US start using the nuclear bomb as a weapon?
1- Briefly describe the usage of Nitrogen, Phosphorus, and Potassium as fertilizers in plants.
2- When did the U.S. start using nuclear bombs as a weapon?
We don't capitalize the elements. We don't use fertilizers in plants. "Usage" does not mean what you think it means.
Briefly describe the use of nitrogen, phosphorus, and potassium in fertilizer.
It is best to make the numbers match. End a question with a question mark.
When did the US start using nuclear bombs as weapons?
When did the US start using the nuclear bomb as a weapon?