PLEASE ANSWERRR

If a satellite or spaceship explodes in outer space, you can see the explosion from a distance, but you cannot hear it. Why?

A. Light is a mechanical wave and needs a medium to travel through, while sound is an electromagnetic wave.

B. Light waves travel very fast and sound waves travel much slower.

C. Sound waves transmit energy, while light does not transmit energy

D. Sound is a mechanical wave and needs a medium to travel through, while light is an electromagnetic wave.

Aresearcher proposes to conduct a study at a foreign site. the research has been determined to be exempt from the federal regulations by institutional policy. according to federal regulations, is review required at the foreign site? if a proposed study qualifies for exemption, federal regulations do not require review at the foreign site where it will be conducted but still require review at the u.s. site by the institution’s irb. if a proposed study qualifies for exemption, federal regulations do not require review at the foreign site where it will be conducted. if a proposed study qualifies for exemption, federal regulations do require review at the foreign site where it will be conducted. if a proposed study qualifies for exemption, federal regulations do not require review at the foreign site where it will be conducted, but still require review by the institutional official at the local site.

Complete the table to show how dubai is using its factors of production

No creative answers only the right onesanswer asapif you learned oratory, what could you do? a. give good speeches b. understand the law c. make fun of peopled. race chariots