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Makenzie Terrell
ChemistryChemistry
To determine the effect of color of light on plant growth, 4 groups of bean plants were grown under the light conditions below.

Group 1-under red light Group 2-under green light

Group 3-under violet light Group 4-in normal, white light

Which of the variables below should be held constant?

Question 3 options:

A. How much each plant grows

B. The amount of light each group of plants receives

C. The color of light each group of plants receives

D. All of the above
Answer Answers (2)
Javion Small
ChemistryChemistry
Which of these would have a frequency greater than an X-ray

A UV ray

B violet light

C microwave

D gamma ray
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Kolby Huang
ChemistryChemistry
What type of reaction is the digestion of solid copper wire by nitric acid?
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Amiya
ChemistryChemistry
Will the pH in your mouth increase after brushing your teeth?
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Deangelo Chambers
ChemistryChemistry
What is procedure gas
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Kaleb Bridges
ChemistryChemistry
What is metalliods?
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Alexus Myers
ChemistryChemistry
To breed or train; to tame a wild animal to live

with humans.
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Rodney Mason
ChemistryChemistry
Why the noble gases tend not to react
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Ezra Cole
ChemistryChemistry
Which one is a true statement about exothermic reactions? a. energy from an outside source is continuously being added. b. the reaction container always feels cold. c. the reactants have more heat energy than the products. d. more heat is given off than is put into the reaction.
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Kimberly
ChemistryChemistry
How does adding energy to a solid affect the motion of the particles
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Cole Walter
ChemistryChemistry
Which statement best describes control rods?

They are unmovable pieces.

They are inert.

They supply neutrons to start the nuclear chain reaction.

They drive the generator
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Kali Wright
ChemistryChemistry
Which statement about the offspring is correct?

answer; 50% will be heterozgous, 50% will be dominant, and 0% would be homozygous recessive
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Desmond Moses
ChemistryChemistry
The most abundant gas in the Earth's atmosphere is:

A. hydrogen

B. oxygen

C. nitrogen

D. carbon dioxide
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Andres Jensen
ChemistryChemistry
The element chlorine has an atomic weight of 35.5 and consists of two stable isotopes chlorine-35 and chlorine-37. The isotope chlorine-35 has a mass of 35.0 amu and a percent natural abundance of 75.5 %. The isotope chlorine-37 has a percent natural abundance of 24.5 %. What is the mass of chlorine-37? amu
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Bruce Combs
ChemistryChemistry
How many moles of atoms are in 9.00 g of 13c?
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