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uysha [10]
3 years ago
14

Lana is testing her hypothesis that marigolds grow faster in red light than in yellow light. If the plants in yellow light grow

faster during her experiment what should Lana do next? A. Assume that she made a mistake during the experiment B. Report that her hypothesis was useless C. Conclude that the experiment did not work D. Repeat the experiment to confirm the result​
Chemistry
1 answer:
Alinara [238K]3 years ago
7 0

Answer:

in particular, chlorophyll absorbs blue and red light while allowing green light to be reflected (or transmitted). ... If chlorophyll needs red and blue light, what do you think would happen to the plant if you were to place a green filter over your light source so that ... Think of the rainbow, what colors are there other than green?

Explanation:

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Alex built a model to show how light bends when placed into water. To do this, Alex filled a fish tank up with water, and shined
densk [106]

Answer:

The model cannot show how light bends.

Explanation:

4 0
3 years ago
What happen when you add heat to solids and liquids?​
sasho [114]
When you add heat to a solid the particles gain energy and start to vibrate faster and faster.
When you add heat to a liquid the particles are given more energy and move faster and faster expanding the liquid.
7 0
3 years ago
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Boron has two naturally-ocurring isotopes. Boron-10 has an abundance of 19.8% and actual mass of 10.013 amu, and boron-11 has an
aniked [119]

Answer:

Average atomic mass = 10.812 amu

Explanation:

The formula for the calculation of the average atomic mass is:

Average\ atomic\ mass=(\frac {\%\ of\ the\ first\ isotope}{100}\times {Mass\ of\ the\ first\ isotope})+(\frac {\%\ of\ the\ second\ isotope}{100}\times {Mass\ of\ the\ second\ isotope})

Given that:

<u>For first isotope, Boron-10: </u>

% = 19.8 %

Mass = 10.013 amu

<u>For second isotope, Boron-11: </u>

% = 80.2 %

Mass = 11.009 amu

Thus,  

Average\ atomic\ mass=\frac{19.8}{100}\times {10.013}+\frac{80.2}{100}\times {11.009}=1.982574+8.829218=10.811792

<u>Average atomic mass = 10.812 amu</u>

6 0
3 years ago
Read 2 more answers
Effect in carbon monoxide
Alenkasestr [34]

Answer:

Breathing air with a high concentration of CO reduces the amount of oxygen that can be transported in the blood stream to critical organs like the heart and brain. At very high levels, which are possible indoors or in other enclosed environments, CO can cause dizziness, confusion, unconsciousness and death.

Explanation:

7 0
3 years ago
A watershed is the land that water flows across or through on its way to a stream, lake, wetland, or other body of water. What i
horsena [70]
D. level of the water table

hope its helps

<span>"too much water can cause raging floods and flush pollutants and soil into rivers and streams"
</span>the statement i got the answer from
7 0
3 years ago
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