Answer:
the speed is equal to 6 m/s
Explanation:
 
        
             
        
        
        
Insulin and glucagon help maintain blood glucose levels
 
        
             
        
        
        
The ones with pH greater than 7
Explanation:
A pH scale is a scale for expressing the level of acidity or alkalinity of aqueous solutions. 
This scale is called a pH or pOH scale. The pH is the common one. 
pH of a solution is the negative logarithm to base 10 o the hydrogen ion concentration of the solution. 
- The scale ranges from 1 through 14. 
- An acidic solution has a pH value less than 7. Neutral solutions have pH of 7 and basic solutions have pH greater than 7. 
learn more: 
acidity brainly.com/question/5121777
#learnwithBrainly
 
        
             
        
        
        
The coin would probably slowly slide down whichever end it is closer to, weigh down the end of the paper, and fall off. It kinda depends on how you hold the paper though, because if it is directly in middle, and you hold it on both ends, it will stay on the paper.
        
                    
             
        
        
        
We're going to multiply the time it took for you to hear thunder (3.5 seconds) by the speed of sound in air (340 m/s)
3.5 x 340 = 1190
The lightning bolt was 1,190 meters away.