Answer:
D it is taken in from the air
Explanation:
Carbon dioxide is in the air and plants use it to make food.
Curare will bind to the receptor but it doesn't cause the ion to flow inside. This will prevent the person from sent signal to the muscle. When the person trying to move the muscle, curare will also prevent acetylcholine to bind so there will be no muscle contractions. The symptoms would be paralyzed of muscle that uses ach receptor.
Answer:
I would say B- it was uncalibrated
Explanation:
he did not take the time to make sure it was calibrated before use
The answer is blood type bc you won’t know their blood type by just observing them
Irrigation system gave the ancient civilizations fertile land which helped crops grow. It also allowed for ease of watering which made the process of farming faster.
