A student's dog is a picky eater. The student thinks that she eats better when the TV is on. To test this, The student sets out 0.25 kilograms of food and left the TV off for 4 hours. The student measured how much
food was left. Then the next day, the student set out 0.25 kilograms of the same type of dog food and left
the TV on for 4 hours. The student measured the amount of food left. After Day 1, there were 0.12
kilograms of food left, and after Day 2, there were 0.08 kilograms of food.
Problem:
Hypothesis:
Independent Variable:
Dependent Variable:
Control:
Constant(s);

the way that the mass of carbon can be conserved through cellular respiration is through a process/law called the law of conservation of mass which even tho it undergoes a process, mass is not be destroyed or changed

advantage of using stem cells in medical research:

1.       it provides medical benefits in the fields of therapeutic cloning and regenerative medicine.

2. it provides great potential for discovering treatments and cures to a variety of diseases including parkinson disease, spinal cord injuries, diabetes, alzheimer’s disease and many more.

3. limbs and organ could be grown in lab from stem cells and then used in transplant or treat illness.

the element that provides strength to the exoskeletons of clams and oysters is phosphorus. this is so because calcium carbonate is the main component in the shells.

explanation: