Four people took their toy boats out on Lake Whatcom. Which boat had the fastest average speed during this time?
Boat
At (s)
d (m)
90
150
Mango
Perky
Whisper
100
100
30
150
Tornado
60
120
Mango
Perky
Whisper
Tornado

a and c are the answeres

the "power" of a lens is its resolution power, or its ability to distinguish between to closely located points. with the low power lens, it is likely you will see the rough form of the hay and maybe some movement of dots around the hay. however, when observed with the high power lens, the detailed features of the hay become visible and the microbes being grown are more clearly visible.

i hope this you