The answer to this question is b
Answer:
B. Carbohydrates provide energy for living things.
Explanation:
Answer:
Light provides the energy for photosynthetic pig- ments to convert carbon dioxide (CO2) and water into sugars and oxygen. As light intensity increases – until a point – the amount of sugars increases and thus, more energy is available for plant growth and maintenance. ;)
6. a - transgenic organism is one whose genetic material has been altered by genetic engineering (i.e. man!)
9. a - biomedical research
10. b
13. b
16. d
18. b