<u>Answer:</u>
Theory is used to describe a fact that has always been observed true but could at some future time not be observed as true.
Option: (B)
<u>Explanation:</u>
- Hypothesis is a guess that is based upon the observation. Hypothesis is an idea that might occur in future but doesn’t fall in present theory.
- Generally hypothesis is not based upon facts and also they aren’t proved. Interpreting certain fact is theory.
- Theories are only the explanation of something but facts is observable.
- Theory is something like a concept or idea that is observed to be true at present may fail in near future.
- Law is absolute and true. Generally, they are represented by mathematical expression or equation.
- For example, Newton's law, Law of gravity, Law of thermodynamics.
Answer:
B.
Organisms use some of the energy they take in for life process... Like respiration, thermoragulation, etc
Answer:
Organ is made up of cells and tissues that perform larger functions.
Explanation:
The food chain is a system in which food is connected with the ecosystem. Ex:composers, producers, decomposers,etc.
