Answer: a
Explanation:
A punnet square is used to determine which genes are the strongest
<span>Cardiovascular exercise is important, after a prolonged break in physical activity, it is recommended to do between 30 and 45 minutes of moderate cardiovascular activity, between three and five days a week. You can also alternate low and high density workouts every day. The important thing is to allow the trained muscles to recover.</span>
Genetically modified human isn't normal. The reason for this is that they are changing the original genetics of the human body. Even though genetically modified humans can have benefits, it also can have bad consequences.
Without knowing the main subject it is related to beside just Biology,
Biotic and Abiotic factors
Basically
Living and non-living factors
Hope this helps