I believe the first answer is #4 and the second is #1. Please correct me if I am wrong.
Answer:
Oxygen
Explanation:
Glucose reacts with water to form carbon dioxide, water and give energy.
the process of DNA replication occurs just before the cell division i.e. mitosis. DNA synthesis happens in S-phase i.e. synthesis phase of interphase where cell division preparation happens.
PLEASE MARK ME AS BRAINLIEST
Answer:
Three ways a scientist can reduce bias include: 1) Sampling a larger pool (assuming the subjects are human) in order to broaden recorded data. 2) Making sure to sample more than one group. This means to not just sample one's friends, etc.
