<span>The correct option is A. SI unit is the standard measure by which a measurement is made all over the world. Length is a measurement, its SI unit is meter and the tool used to measure it is ruler. The other options are wrong because, temperature is measured in kelvin, weight is measured in kilogram and volume in cubic meter.</span><span />
Answer:
Canyons
Explanation:
The erosion over time may have caused this
The first one this is because the mutation on the frogs front legs could cause it to be harder to swim and even harder to obtain food.
