Answer:observation
Explanation:
this is the answer because they saw it they know it is there. the flowers are pink and they saw that that’s what an observation is so the answer is an OBSERVATION 
 
        
             
        
        
        
Answer:
d. 1.20 ×10^3 mL
Explanation:
That is the answer have a wonderful day!!
 
        
                    
             
        
        
        
Answer:
Sound waves are faster than light waves when traveling through the air.
(This statement is NOT true)
or
Sound waves and electromagnetic waves are both needed to talk on a cell phone
Explanation:
Sound waves need a medium to travel through, but light does not. 
Also, the statement "Sound waves and electromagnetic waves are both needed to talk on a cell phone" might also be NOT true, since, as far as I know, cellphone calls need radio and sound waves, not electromagnetic waves. 
 
        
             
        
        
        
•The earth weighs-5.972 × 10^24 kg
•The sun is 94.079 million miles away
•A black hole is a region of spacetime where gravity is so strong that nothing—no particles or even electromagnetic radiation such as light—can escape from it.
•Airplanes fly because they are able to generate a force called Lift which normally moves the airplane upward. Lift is generated by the forward motion of the airplane through the air. This motion is produced by the Thrust of the engine.
•Flies need sticky feet to walk on ceilings, but not so sticky that they get stuck upside down. So each foot comes with a pair of claws that help hoist the gooey foot off the wall. Flies use several different techniques to get unstuck: pushing, twisting, and peeling its footpads free
•rainbows are made by the refraction of light particles 
•sharks are not mammals since they are cold blooded