what conclusion did the researchers from university of california san diego reach regarding the best type of material to use for beach nourishment?
o large, coarse grains of sand should be used since they remain on the beach longer.
o sand mixed with soil should be used to promote plant growth and prevent erosion.
sandy areas of a beach should alternate with cement areas to prevent
o
boulders should be placed near the water's edge to prevent the current from taking the new sand out to the ocean.

metamorphism is the change of minerals or geologic texture (distinct arrangement of minerals) in pre-existing rocks (protoliths), without the protolith melting into liquid magma (a solid-state change). the change occurs primarily due to heat, pressure, and the introduction of chemically active fluids. i hoped i !

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

a = executive branch; b = judicial branch