How can the current in a wire near a magnetic field be changed? A.
The wire can be moved in and out of the magnetic field.
B.
The strength of the magnetic field can be varied.
C.
The distance between the magnet and the wire can be altered.
D.
all of the above

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

Which statement best compares aerobic and anaerobic respiration