Answer:
The major source of pollution that leads to acid rain is factories.
Explanation:
The smokes which are thrown out from factory is mixed up with the rain and cause acid rain.Acid rain can cause various skin problems.
Answer:

Data Access Layer

Information Computer Technology
➟DAL in ICT
⎆ <u>Data Access La</u><u>y</u><u>e</u><u>r</u><u> </u><u>in Information Computer Technology.</u>
Answer: Experimental
Explanation:
An experimental research would be needed to prove if the hypothesis that "the presence of certain odors causes people to gamble more" is correct or not.
An experiment is a process carried out in a scientific method to prove if a hypothesis is correct or not.
American Robin eats insects such as earthworms and caterpillars. Just this knowledge is enough to know that it's not a herbivore: but it could be a carnivore. however, it also happily eats fruits and berries: so yes, it's an omnivore.