c) always
chemical refers to what happens when heat is applied so chemical properties change the identity(state, appearance, etc) of a substance
Answer:
1
Explanation:
C9H8O4 + 9 O2 = 9 CO2 + 4 H2O.
The coefficent is 1
Land forms are a naturally occuring of rock or other substances. A landmark can be manmade or natural. It just marks something
Answer:
10.69 s
In a competition, an athlete threw a flying disk 139 meters through the air. While in flight, the disk traveled at an average speed of 13.0 m/s. How long did the disk remain in the air? Answer: 10.69 s Page 2 8.
Explanation:
