Answer: c
Explanation: Plants and animals need nitrogen to make proteins but they cannot take it in from the air. Because nitrogen is unreactive as a gas, it has to be transformed into a new molecule. When bacteria in the soil takes nitrogen from the air, it becomes nitrates. Finally, it can move through the food chain in this form.
The answer to your question should be a and c hope this helps
Sedimentary and metamorphic rocks?
Answer: i know it not the answer
Explanation:
What is one time pad?
The one-time pad (OTP) is a theoretically unbreakable cipher. However, in practice it is of limited usability because it requires a pre-shared key of at least the same length as the message. This tool helps you encode or decode one-time pads if you have the key.
About Math Pad. MathPad is a tool for students to work on addition, subtraction, multiplication or division problems on a computer. MathPad is a word processor for math, not a tutorial or calculator. The student provides answers to math problems and the final answers can be checked in the Problem List mode for accuracy.
i hope you find the answer to your question