beryllium & calcium are the two in the same column or family
Answer:
1. Parents from both species.
2. Because of natural selection.
Explanation:
A hypothesis
-Can be tested
-Is a prediction about the expected outcome of an experiment
-Must be stated in a form that can be either proven or disproven
Your answer is D: All of the above are true
Answer:
It is Na2O because it doesn't show any acidic properties.
