Answer:
circulatory system
Explanation:
it is what makes oxygen circulate
Answer:
burning a paper is chemical change
Answer:
Scientific Notation: 2.503 × 10⁶
Standard Form: 2,503,000
Answer:
107.87 grams
Explanation:
One mole of silver weighs 107.87 grams
.
Answer:
31.67 mph
Explanation:
To calculate the average speed of the truck, we must first obtain the total distance travelled by the truck followed by the total time taken for the truck to cover the distance travelled.
The following data were obtained from the question include:
Total distance) = 30 + 45 + 50 + 65 = 190 miles
Total time = 1 + 2 +1 +2 = 6 hours
Average speed =.?
Average speed = Total distance / Total time
Average speed = 190 /6
Average speed = 31.67 mph
Therefore, the average speed of the truck is 31.67 mph
