Answer:
Packaging that changes color if the product inside is expired.
A water-filtering straw.
A pancake printer.
A mat with a built-in alarm clock.
A pendant that turns speech into text.
A toothbrush that cleans your teeth by itself.
"Smart" glasses.
A glass that turns water into wine.
Answer:
I think it's necessary because people acquire the needs that they you don't have like for example your friend has a banana and you have a mango your friend wants that mango and you want that banana so you will trade each of your goods to each other and you will acquirewhat you wanted
The answer is the last option.
Answer:
The president uses mass media to gain support for policies.
Explanation:
The executive office of the president includes the different agencies and offices that provide support for the president. These different branches are to work for whatever the president proposes, and help him administer or carry out those policies.
The inclusion of mass media and communications staff is to ensure the president enough coverage for whatever policies may be introduced. It also enables the president to garner support from the general public for the policies he may want to introduce and implement.
Thus, the correct answer is the second option.
