the answer is b) shoppers no longer need to leave the house or spend hours at the mall to make a purchase
There are basically 3 types of pharynx- nasopharynx, oropharynx and laryngopharynx.
The function of the pharynx are:-
1. To transport the food from mouth to esophagus.
2. To warm, moisten and filter the air, before it moves to the trachea, and then to the bronchi, the bronchioles, the alveoli and at last to the lungs.
Therefore, pharynx(or throat) is a part of both- digestive and respiratory systems.
3. It is also important for vocalization.
Observe birds nesting in cut patches and uncut patches of forest.
-Hypothesize that more birds nest in cut forest patches.
-Develop a plan for conducting nest counts in several similar-sized patches of cut and uncut forest.
-Count the number of nest found and record the data.
-Compare the data collected concerning nests from cut and uncut patches of forest.
Determine whether more birds nest in cut or uncut forest patches and share this conclusion with other researchers.
Answer:
I think A, "Primary pollutants from a stationary source"
Explanation:
Got it right on exam :)
A sperm cell and an egg cell fuse to form a zygote.