What are some of the byproducts of photosynthesis? (Chose all that apply) 1. Oxygen
2. Water
3. Glucose
4. Carbon Dioxide

Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data

Sickle cell amelia is a condition condition where the red blood cells are deformed which is affected by sickle cell amenia

Why do mountaineers become breathless as they reach high altitudes