The chemicals that helps us digest food are called enzymes.
Pollen can reach the stigma in diverse ways, probably two of the most common ways would be by the dispersal of wind or by pollinator insects, such as bees.
Answer:
I would say true, because
Explanation:
Earth's atmosphere has a layered structure. From the ground toward the sky, the layers are the troposphere, stratosphere, mesosphere, thermosphere, and exosphere. Another layer, called the ionosphere, extends from the mesosphere to the exosphere. Beyond the exosphere is outer space.
Answer:
the ducks have associated people with food handouts and so they become close.
Explanation:
Answer:
it exchanges oxygen and carbon dioxide
Explanation:
You inhale oxygen and exhale carbon dioxide
