Answer:
Father - Mother
Sperm - Egg and those fertilized are called a Zygote
Explanation:
Group 2 elements are the alkaline earth metals
Answer:
The variables to be examined in relation to carbon dioxide use are the amount of light exposure and amount of dissolved CO2. Phenol red is yellow/orange under acidic conditions, that is when the pH of the solution is less than 7 (e.g. pH = 6). This occurs when the concentration of CO2 is high.
Explanation:
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