Such direct observational evidence is limited, however, and clouds remain the biggest source of uncertainty--apart from human choices to control greenhouse gases—in predicting how much the climate will change
Answer:
B
Explanation:
You wont need to go get antibiotics to treat a common cold, just use over the counter meds. Strep and tuberculosis are more contagious and powerful.
1. Turn the water off when washing the dishes.
2. Turn the sink off when brushing your teeth instead of letting it run
3. Take a 2-5 minute shower (no longer)
4. Do not leave the water running when you use water
5. Do not fill up a cup of water that you will not drink, pour it in plants or put it in the fridge to stay cold
Not sure what you mean but here's what i think
1.They are substrate-specific, because it's a lock-and-key mechanism.
2. They are re-used
3. They can catalyze reactions
4. They decrease activation energy
5. They are proteins by nature.
