Answer:
The trachea branches into two tubes called bronchi (one to each lung). The bronchi split into smaller and smaller tubes called bronchioles, which then end in microscopic alveoli (air sacs). ... The layer of moisture in the alveoli allows gases to dissolve so that they can diffuse quickly.
Answer:
Yes because a prototype is a model of the task the scientist is trying out.
Explanation:
I think that´s the answer i did some research but ya tell me if its right.
Answer:
There are 4 different genotype variations:)
Explanation:
Some seeds have hooks on them, some are able to float in water, or some are light and have wings or thin hairs that allows them to be carried by the wind