Answer:
The answer is "0.0000190 and 2.7 J".
Explanation:


Given:

by putting the value into the above formula so, the value is 2.7 J
Delta waves are associated with a deep sleep~
Answer:
Physical
Explanation:
because the erosion of the canyon did not change any of the chemical attributes of the rock it only changed the appearance. it may have changed the color which is an example of chemical properties but in this case, it is physical. But in other cases, you would refer to this type of weathering as mechanical weathering.