Hannah is boiling water in a glass hes kettle. She notices bubbles forming on the bottom of the kettle that rude to the up and wonders what is in the bubbles. She asks her family what they think and this is what they say

Dad: they are bubbles of heat

Calvin: the bubbles are filled with air

Grandma: the bubbles are an invisible form of water

Mom: they are empty

Lucy: the bubbles contain oxygen and hydrogen that separated from the water

Which person do you most agree with and why?

(Answer in full and complete sentences)

Are these strong bases, neutral, strong acids, weak acids or weak base household bleach (ph=12.6) fluid in a car's battery (ph of less than 1.0) milk (ph=6.7) stomach contents (ph=2.2) pure water (ph=7)

Turtle hatchling survivorship rate is low in many turtle species due to predation. amanda researched the predatory rate on a species of turtle eggs in the red river. the eggs were harvested from trapped turtles and the egg's cloaca film (reproductive discharge) was either washed off or left on once gathered. research suggests that predators use the female's cloaca scent to locate the eggs. the eggs were only handled when wearing gloves and then reburied along islands where the turtles were trapped. the nests were monitored by cameras and manually on foot and data on nest predation were recorded. a. based on the experimental design, what is the dependent variable? b. based on the experimental design, what is the independent variable? c. based on the experimental design, what is the control?

At which location in earth’s interior does the top density continue to increase as thickness decreases?