Answer:
All food chains start with energy the sun, it is captured by plants. food chain always starts with plant life and ends with an animal. Plants are called producers because they are able to use light energy from the sun to produce food (sugar) from carbon dioxide and water.
Answer: c
Explanation: the bones shown are all leg bones but from different species
Answer:
Hydrogen fuel is expensive to produce and transport
The right option is; entropy
The measure of randomness or disorder in a system is known as entropy
Entropy is the property of the system and it is also often regarded to be the measure of molecular randomness or disorder in a closed but changing system. The higher the entropy of a system, the higher the disorder and the higher the unavailability of the system's energy to perform useful work.