Answer:
Physics, Quantum Mechanics
Explanation:
Light is a stream of photons with no weight. If you want to dig deeper in this mysterious phenomena, you should study physics and quantum mechanics. Physics takes up things like the theory of relativity, which can be useful in studying spacetime and how light travels through it, and quantum mechanics, being the study of matter in an atomic level, should help you get an understanding on how photons of light travel and why they behave so strangely.
4 using the keyboard shortcuts for Bold, Underline, and text colour
Answer:
get your note and read over again
Explanation:
your note contains stuff you read from online and different materials . there are sometimes the brain doesn't want to read anything on the screen , just get your note go to a nice calm place and visualize things
Well knowing how the government is with security id go with A. as it makes a lot of sense unlike B and D and if they were looking for software the question would mention it
Answer:
a, c, and d.
Explanation:
Let's examine these options:
a -> Spamming can be used to obtain information about the individuals. Those emails can contain links that try to reveal your sensitive information. They can also contain viruses directly like in the some attached folder. Another usage of spamming is just to advertise some products.
c -> Spam emails are not something you requested for. They are just sent to email addresses in huge amounts.
d -> As mentioned earlier, they can be used to obtain personal information like password, credit card information.