Answer:
D
Explanation:
A) it is mentioned that 1 cup of water was added to each column which shows that the amount of water added to eahc column was constant, or the same
B) it is mentioned that the cylinder contained equal volumes of different sized particles, which means volume fo particles is constant as there are equal volumes
C) It is also reasonable to assume that the columns are identical as its not mentioned that they weren't, thus makking this variable constant
D) It is mentioned that small particles of marble and large particles of granite were used, this is the independent variable or the variable we change to look at the different reactions, since there re 2 different substances(marble and granite) being used the type of substance is NOT constant
Exchanges of plants, animals, diseases and technology transformed European and Native American ways of life. ... Advancements in agricultural production, evolution of warfare, increased mortality rates and education
Ocean currents can be caused by wind, density differences in water masses caused by temperature and salinity variations, gravity, and events such as earthquakes or storms. Currents are cohesive streams of seawater that circulate through the ocean.
It is the official tree for Connecticut !
The first group of Europeans to colonize and permanently settle around the Cape of Good Hope was the: <span>Dutch from Holland
The Dutch has set foot in that region since the mid-1600s, which is around 100 years earlier than he other nations. They decided to formed a colony there because they saw a huge opportunity to obtain mining resources and potential slaves to sell.</span>
