1) Physical; It is a natural occurring change
2) Chemical; This change requires non natural method in order to occur
8) Physical; Iron is bound to rust in effect of weather erosion
23) Physical; Salt and water naturally separate
Answer:
4.9 × 10^24
Explanation:
^ means to the power so 4.9 × 10 to the power of 24
Answer:
pls mark me as brainliest
Explanation:
They are perpendicular because their slopes are equal.
Answer:
b: baskets woven of bark or leaves
Explanation:
Hope this helps