Answer:
A- they belong to the same group of the periodic table
Explanation:
because the elements in the same group may have different atomic masses and numbers but they are arranged into groups according to their properties
Testable, possible explanation for a scientific problem
Answer:
Genotype" is an organism's full hereditary info. and "Phenotype" is an organism's actual observed properties, such as development, or behavior.
Answer: Coral reefs are important to the ecosystem because they are the pillars on which marine and coastal ecosystems are built. They keep plants, fish, and animals fed. They clean up our water and protect our coasts.
Explanation: Hope it helps :)
