Questions Answered by helenajeffery

Why does light travel in straight lines? by meet520yoga Comments: (No comments so far )
How can dogs hear so far? by meet520yoga Comments: (No comments so far )
Why are clouds white? by task520yoga and 2 others. Comments: (So far, one comment )
when will the sun explodes by prey520boom and 1 other. Comments: (No comments so far )
how did life begin by task520yoga Comments: (So far, one comment )
how did our alpabet look like this by pacy520yoga Comments: (No comments so far )
In 100 years,will the earth be taken over by robots by task520yoga Comments: (So far, one comment )
In a lab, what do you do? by meet520yoga and 1 other. Comments: (So far, one comment )
is it bad to suck up helium and why by duty520yoga Comments: (No comments so far )
why does our voice go high if we swollow helium by pacy520yoga Comments: (No comments so far )