Astudent group is involved in a restoration study of a nearby disturbed area. they decide to collect six soil samples and analyze them for carbon (c) and nitrogen (n). two of the samples are found to be very high in c and n, but the other four samples are low in both. the students also notice that the color of the two soil samples that are high in c and n is very dark. which of the following is the most likely explanation of the data

african americans demonstrated their newly found freedom by relocating often in search of relatives whom they had been separated from during slavery. others established schools to educate freed people and they built institutions such as churches and political organizations to advocate for their rights.

conduction is the transfer of thermal energy (heat in transfer) due to collisions between the molecules in the object. collisions between adjacent atoms and molecules transfer kinetic energy from the warmer to the cooler object. the objects must be in physical contact.

може ли да зареждате повече информация, моля