Frozen pieces of pure water (ice) are placed into a liquid. The ice sinks. What can you conclude?
A. The ice did not have any air bubbles trapped inside.
OB. The liquid is less dense than water.
C. The liquid was very hot.
D. Pure water is denser than impure water.
PLZ ANSWER ASAP

In some plants, pointed leaves (p) are dominant over rounded leaves (p). a plant with a genotype of pp

Dermal tissue in plants stores 1.extra food 2.transports water and nutrients 3.transports waste materials 4.is similar to epithelial cells in animals

Aresearcher designed an investigation to test what effect eating different types of food would have on blood insulin levels. she selected 10 male subjects who were all 25 years of age and in good health. the experiment took place over 3 days. at 8: 00 a.m. on each day, the subjects ate a meal consisting of only 1 type of food. they had their blood insulin levels measured after consuming the meal. on day 1 they ate a high fat diet, on day 2 they ate a high protein diet, and on day 3 they ate a high sugar diel what is the independent variable in this experiment? a the age of the subjects b the blood insulin level c the type of food consumed d the time of day the meal was consumed