Question

You want to know how phone use before bedtime affects sleep patterns. Specifically, you ask how the number of minutes a person uses their phone before sleep affects the number of hours they sleep.
A. Research Problem:
B. Variables:
Independent Variable:
Dependent Variable:
Confounding Variable:
How to control it?:
C. Hypothesis :
Null Hypothesis:
Alternative Hypothesis:
D. Set-ups/ Groups:
Experimental Group?
Control Group?

(DO THE SAME METHOD LIKE THE FIRST ONE)
2. You want to find out if varying the ratio of squash seeds and commercial feeds will affect the weight gain of broiler chicken.

3. You are interested on the effect of pomegranate leaf decoction on the level of blood glucose. Specifically, you want to ask the significant difference on the fasting blood glucose level of albino mice before and after the oral administration of different doses of pomegranate leaf decoction.

4. You want to find out if type of soil ( sandy, loam, or clay) will affect the growth rate of mungbean plants.

5. You prepared your squeezed 3 pieces of calamansi and added 1 tablespoon of sugar in a glass of cold water. You wondered why sugar did not dissolve. You want to ask if the temperature of water will affect the rate of dissolving sugar.
NEED ANSWERS IMMEDIATELY TNX!

Answer 1

Answer:

CHEMICAL REACTIONS: Lemon juice contains citric acid which when mixed with the base, baking soda (sodium bicarbonate), reacts to form carbon dioxide and sodium citrate which causes the liquid to fizz and bubble.

Answer 2

Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions.