Answer:
Black
Explanation:
When the room lights are turned off any object present in the room appears black.
Answer:
Each gill is supported by a gill arch – a bony structure that is oriented vertically on the side of a fish, just behind its head. The gill arch provides the support to hold a number of comb-like structures called gill filaments.
Geothermal energy maybe is their answer choices
Answer: C
Explanation: Relative dating is used to determine a fossils approximate age by comparing it to similar rocks and fossils of known ages.