The diagram above shows a cross section of a hillside Four rock units are shown in the cross se
youngest?
A. sandstone unit
B. shale unit
C. limestone unit
D. igneous unit

The virus is considered to be are living item since they have hereditary material dnas or rnas. they can imitate and change. they respond to boosts, for example, radiation, chemicals, and warmth. they have antigenic properties. they are proficient to duplicate with a same hereditary constituent.

Due to the amount of pressure