Question

in science, which system do we use to measure length and speed? the american system the metric system the alphabet system the international system question 3 (1 point) what does speed tell us? how much something weighs how far something travels in a certain amount of time what direction something is going how long something lasts

Explanation:

In science, the Metric System (also part of the International System of Units) is widely - used for measuring length (meters) and speed (meters per second). Speed is defined as the distance traveled per unit of time.

Answer:

1. B. The Metric System
2. B. How far something travels in a certain amount of time