Answer:
The War I think
Explanation:
What led to the European disease was the cause of the war that made many Americans come and then it called the disease
Answer:
1. DNA and RNA I'm pretty sure
Answer
a balance and a graduated cylinder
Explanation
Density is mass per unit and it is property characteristic of a substance. The arrangement of the mass of atoms and their size is what determines the the density of a substance.
For a student to measure the density of seawater he/she is required to use a balance and a graduated cylinder where a balance will be used to measure the mass of the mineral sample and then a graduated cylinder to determine the volume.
sorry I don't know maybe I should try
The SI system or metric system is the most commonly used system of measurement around and hence makes it more applicable around the world than the english SOM