Answer:
0.693 (you can round it up if you want to)
Explanation:
Density= mass ÷ volume
54.2 ÷ 78.1 = 0.693
I hope this helped☺
Answer: The correct option is B.
Explanation: To describe the motion of an object, we use the equations of motion.



From the above equations, we require position, speed and direction through which we an calculate the displacement, velocity and acceleration.
To calculate the complete motion of an object, we require all the three factors.
Hence, the correct option is B.
Answer:
An organ is a part of the body that carries out its main function. Most organs are made out of tissues.
Explanation:
That would be C because sickle cells make you very sick and could lead to death and I remember it by thinking sickle has the word sick in it.