Ageologist finds four layers of sedimentary rock. she determines that no geologic events have shifted the layers. she labels
the layers a, b, c, and from the top to the bottom.
which statement about these layers is accurate?
as older than b.
bis older than c.
c is younger than a.
b is younger than d.
save and exit
nest
save and exit
next
submit
submit
mark this and return

Zoe decided to measure the hand length of each of her classmates. first she marked a line across each student's wrist and lined up a ruler from this mark to the top of the middle finger to measure the length. then she recorded the measurements in the table below. marla did this the same way for each classmate, and then zoe used this ruler to measure each straight line and record the data below. this data is invalid. what is the most likely reason why it is invalid? the ruler is marked in centimeters, but zoe recorded data in inches. the range of lengths is too wide, so zoe must have misread the ruler. marla’s complicated measuring procedure was overly confusing. marla could have been inconsistent while drawing outlines of fingers.

Give two examples of what would occur if one of the pairs did not match or had an extra chromosomes. explain how this might occur, and if it would be dangerous to the individual. fast.

_tissues respond quickly to outside stimuli a) epithelia b)nervous c)muscular d)muscular and nervous