Answer: the last ones wrong because to have lots of biodiversity you need different types of plants or organisms
A tundra has little to no trees
The habitat one is correct
Explanation:
For a pre-event meal, rich sources of carbohydrates, such as bagels, muffins, and bread, should be eaten two to four hours before an endurance event. Eating a calorie dense meal 2 to 4 hours before an endurance event or smaller meals between 2 to 5 hours before, is absolutely essential for topping of muscle glycogen levels as well as providing blood glucose for the intense activity ahead.
The medication would be the controlled variable, the factor that remains constant.
C. there is an equal amount of day and night everywhere on earth.