Answer: Bubble algae are caused by lighting, nutrients and bubble algae spores. The spores were probably on the live rock. The lighting is a side effect of trying to keep photosynthetic corals.
Explanation:
Answer:
A. They both require a human to make them.
Explanation: The main difference between current and charge: Current: It is the rate of flow of charge (generally electrons). Current (I) is the physical quantity measured in amperes (A). Charge: It is the deficiency or excess of electrons on a body surface.
The answer is electrons.The nucleus are consists of neutrons and protons. Neutrons are neutral and protons are positive. So the nucleus are positive and can attract the electrons(negative) to surround it.
