Beach sand is eroded by wind and water and if erosion is not prevented, people will have to come in later and dredge the beach. the sand fence was installed to prevent erosion. what else is used to prevent beach erosion in this case?
a) rocks
b) dune plants
c) hills and mounds
d) pathways for walking

Color blindness is a recessive trait. the gene for color blindness is on the x chromosome. the family tree below shows the trait of color blindness. the only unknown is the mother in the first generation

Matthew decided he wanted to hike up mount everest. on his way to the top, it began to snow and the temperature dropped to -10°f. matthew forgot to wear a heavy jacket so his body began to shiver beyond control. in this case, matthew's body shivering is the to a drop in temperature. * 0 points reflex stimuli responce environmental facto

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