The block diagram below shows a cross section of a landscape. Letters A, B,C, D and E represent different rock layers.

Which rock layers appear to be most resistant to weathering?
A) D and E
B) A and D
C) A and C
D) B and D

Osmosis is often viewed incorrectly as a process driven directly by differences in solute concentration across a selectively permeable membrane. what really drives osmosis? view available hint(s)osmosis is often viewed incorrectly as a process driven directly by differences in solute concentration across a selectively permeable membrane. what really drives osmosis? the first law of thermodynamicsthe difference in the height of water columns on either side of a selectively permeable membranethe difference in water concentration across a selectively permeable membranethe difference in sugar or ion concentration across a selectively permeable membrane

Hemoglobin is a proton that carries oxygen around the body what is hemoglobin made from

What do genes contain the code for?