A salt crystal garden is grown using five ingredients: 3 tbsp. salt, 3 tbsp. food coloring, 3 tbsp. water, 3 tbsp. ammonia and a few charcoal briquettes. The first four ingredients were mixed together, and then the mixture was poured over the charcoal briquettes in a shallow bowl with the mixture coming up half-way on the briquettes. Crystals began growing after a few hours. The crystals were observed as they grew and growth was recorded. Is this a valid experimental design?
A) No, because it took the crystals too long to start growing.
B) No, since the color of the food coloring was not identified.
C) Yes, because the crystals grew faster and bigger than expected.
D) No, there is no hypothesis or manipulated variable.

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.

Ineed some everybody. the production of cells during mitosis into specialized function is called: recombination or differentiation

Glucose is broken down in different ways, both in the presence and in the absence of oxygen. using the table for reference, what major products are formed in each reaction set?