usatest prep question ! really appreciate it !
a hurricane-hit region is isolated from the rest of the country because of flooding. the storm has also cut off the power supply and all means of communication. a newspaper wants to get pictures of the place to report the incident to the rest of the country.

how can the newspaper get a photo of the place in time for its morning edition?
a) access pictures of the area taken by satellites
b) use pictures taken previously of other flooded areas
c) send a team of photographers to get pictures of the area
d) request local newspapers in the affected area to send pictures

Answer is A Access pictures of the area taken by satelites.

Explanation: Satelites are the only thing out of these four answers that does not requir power supply from the town. Hope it helped!

it is to be noted that an alpha particle is an helium nucleus. so it contains 2 protons 2 neutrons and has a mass number of 4. when alpha decay particles are ejected from the nucleus it gets transformed into an atom which has atomic number less than 2 and a mass number less than 4.

an equation that could represent alpha decay is radium 226 decay of alpha particle forms radon 222.

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what is the general relationship between a galaxy's distance from earth and its speed?

the answer is:

the farther away a galaxy is from us, the faster it is moving away from us.