Answer:
Wheels
Explanation:
A lot of things use wheels and are made from them today, help with construction, transportation, etc.
Waves hit the coast at an angle and form currents in the surf zone
Answer:
29/30
Explanation:
First simply 6/20:
=3/10
Now we get the lcm, the lcm of 15 and 10 is 30 so now we will multiply the doniminator with a number to get 30 and also multiply the numinator with the same number as you multiplied the dominator with.
= 38/30 - 9/30
Answer:
The description corresponds to an observational study.
Explanation:
In Observational studies, researchers observe the effect of a risk factor without changing what is exposed to it or its conditions. On the other hand, in an experimental study, researchers can introduce a change and study the effects of it.
Mountain formation like this guy said
