A speaker sometimes is not able to capture the intended details since it is affected by homophones.
Answer:
D. smart phone
explanation;
a. what the heck is a radio going to do?
b. an HD television? is his job watching movies?
d. he already has a form of communication he uses, he needs something that can to both things at the same time
c. a smart phone can do everything he needs to do, likely faster than a landline phone or laptop.
Answer: A.The introduced species compete for resources more effectively than native species.
Explanation:
An introduced species is also called the exotic species and this is an organism which is not a native organism or specie and therefore isn't native to the place but rather it's being transported to the place through the activities of human being.
When the introduced species are introduced to a particular area, they compete with the natives for the available resources and often do this more effectively than the other native species.
Therefore, the correct option is A.