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makvit [3.9K]
3 years ago
12

To find out if light is necessary for photosynthesis​

Biology
2 answers:
TEA [102]3 years ago
7 0

Answer:yes

Explanation:

Starch is present in the exposed leaf. Conclusion- Leaf exposed to sunlight give iodine test, proving that sunlight is necessary for photosynthesis.

Stolb23 [73]3 years ago
4 0

Answer:

yes

Explanation:

light is main source of energy for photosynthesis to take place

if you recall photosynthesis cannot take place without light

even in dark reaction , light reaction has to produce ATP and reduced NADH which dark reaction will use .

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As you grow older, you will need to remain physically active to keep a good level of physical fitness.
r-ruslan [8.4K]
As you grow older, you would need to remain physically active to keep a good level of physical fitness.

Answer: T
3 0
3 years ago
Microscopic plants called algae grow inside the top layer of sea ice in the Antarctic if enough sunlight reaches that layer of i
MrRa [10]

Answer:

The correct answer is: (A).

Explanation:

  • In the question, it is mentioned that the algae can grow under the conditions of "enough sunlight" and "enough nutrients".
  • Sunlight reaches the algae, by first falling on the surface made up of ice and snow and then refracting from there into the top layer of the ice where the algae grows.
  • However, the capability of both snow and ice to reflect sunlight is far more than that of refracting sunlight.
  • Therefore, the amount of light received by the algae is similar in absence or presence of the layer of snow on the top layer of ice.
  • However, on deposition of snow on the layer of the ice, the weight of the ice increases and it sinks below into sea water.
  • This allows more nutrient rich sea water to percolate into the ice and reach the algae.
  • The algae receive more nutrients from the sea water and hence is capable undergoing better metabolism and growth.
  • Hence, more algae are produced under such a situation.
5 0
3 years ago
Evidence of a chemical change can be observed when-
xeze [42]

Answer:

A. a solid melts into a liquid

Explanation:

4 0
3 years ago
PLEASE HELP!
kumpel [21]

c is the answer to your question

4 0
3 years ago
R = red flowers r = white flowers According to Mendel’s law of dominance, which statement best describes the result of a cross b
Rudik [331]
Hello!

I believe your answer is C. All offspring with at least one R will have red flowers.

Explanation: The capital letter means it will dominate. So if there is a R, then there will be a red flower.

Have a nice day.
~Brooke
7 0
3 years ago
Read 2 more answers
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