Why is artificial erosion a concern if erosion can occur naturally?
a.
artificial erosion changes environments while natural erosion does not.
b.
artificial erosion occurs at a faster rate than natural erosion.
c.
artificial erosion affects soil while natural erosion does not.
d.
artificial erosion is of no concern.

The table below shows the number of foot bones in some horse fossils. horse fossil recordhorse fossil number of foot bonesp 19q 17r 24s 13ancient horses had more bones in their foot then present-day horses. the present-day horse has 11 foot bones. what is the correct order of evolution of the horse starting from the youngest fossil? a. q p r s b. s r p q c. s q p r d. r p q s

Which is not a type of symmetry? a. asymmetryb. radial symmetryc. bilateral symmetryd. lateral symmetry

What is the most important inorganic material for livings things? ! due tomorrow!