Which best describes the development of penicillin? A. It was originally discovered as a product produced by plants

B. It was originally discovered from mold growing on petri dishes.

C. It was originally discovered to be ineffective

D. It was originally discovered to treat viral conditions.

Pixels are often referred to using dpi, or dots per inch. true\false

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.

Asap. this question is 100 points if you answer it question: describe the basic relationship between ocean depth and temperature seen in the graph