15 Select the correct answer from each drop-down menu.
Pictures that we receive from space are of the
because it takes time for
to reach Earth.
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1st drop down-A)presentB)pastC)future
2nd drop down-A)SoundB)LightC)heat

Past

Light

Explanation:

The only one of the listed forms of energy that can travel through empty space is electromagnetic waves, and in particular the visible part of them which is light.

Light leaves a star for example carrying information of let's say a burst, and since it takes time for the electromagnetic wave to reach the Earth, when we get it, time has elapsed, so we are viewing an event from the past.

k

Explanation:

k

there is no correct list among the choices you've provided.

the list might look something like this:

-- baby human

-- piccolo

-- flute

-- soprano singer

-- trumpet

-- tenor singer

-- trombone

-- baritone singer

-- baritone horn

-- bass singer

-- tuba

since i had to make up the list myself, i made it easy on myself, and i didn't try to shuffle the string instruments and woodwinds into it too.