Mechanical weathering does not change a rock’s A
shape.

B
size.

C
appearance.

D
composition.

Endeleev saw trends in the physical and chemical properties of elements when he organized them by

Explain which group an element with the electron configuration 1s2 2s2 2p6 3s2 3p6 3d1 4s2 belongs to.

There is a single path for electrons. the current decreases when additional resistors are added. the current will be the same in each resistor. these statements best describe a(n) circuit.