All of these components are reservoirs of carbon. The cycle is usually discussed as four main reservoirs of carbon interconnected by pathways of exchange. The reservoirs are the atmosphere, terrestrial biosphere (usually includes freshwater systems), oceans, and sediments (includes fossil fuels).
Answer:
1. Option A
2. 56
Explanation:
1.
Option A
Option A is not a valid answer for this question as it is given that out of eight rats only two rats are untrained. Thus, an output which shows more that two untrained rats i.s UUTTU is a wrong answer
2.

Thus , there are 56 outcomes possible for this experiment
The answer to this given question is the letter "C". The basis of immunoassay is the unknown amount of drug in a sample competes with the known amount os fluorescently labeled drug for binding to an antibody to that drug.
Answer:
Option B
Explanation:
The process of converting a message into a form where it can be transmitted as signals from the sender to the receiver is called as encoding. However, the process of the reconverting the encoded message into intelligible forms so that a receiver could understand the message is called as decoding. However, the entire process of encoding and decoding is known as communication.
For example -
In order to decode a sound signals, analogue from digital are retrieved.
Hence, option B is correct
Answer: B
Explanation: A star's apparent magnitude is not directly related to its distance from Earth.