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qwelly [4]
3 years ago
8

What environmental condition is most likely to trigger the closing of leaf stoma? Wind, heat, darkness, or lack of moisture

Chemistry
2 answers:
erma4kov [3.2K]3 years ago
8 0
Lack of moisture :)               

Over [174]3 years ago
4 0

Answer:

The correct answer is " lack of moisture".

Explanation:

The opening or closing of the stomata is regulated in the plant by environmental factors such as light and water availability. In cases of lack of humidity, the stomas are closed preventing water losses in the plant. This also prevents the exchange of gases and the entry of atmospheric carbon dioxide necessary for plant nutrition through the process of photosynthesis.

Have a nice day!

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What is the difference between an element and a compound? (p.s. it due in 5 mins ASAP so hurry.)
Lubov Fominskaja [6]

Explanation:

An element just has one-type atoms/atom (e.g. O2). Meanwhile, a compound is a variety of atoms (e.g. H2O).

6 0
3 years ago
What is the molar concentration (molarity) of a solution made by dissolving 0.285 moles of CaCl2(s) in just enough water to form
marusya05 [52]

Answer:

The answer to your question is Molarity = 0.238

Explanation:

Data

Molarity = ?

number of moles = 0.285

volume = 1.2 L

Molarity is a unit of concentration that relates the moles of a substance by the volume in liters.

Formula

Molarity = moles / volume

Substitution

Molarity = 0.285 / 1.2

Simplification and result

Molarity = 0.238

7 0
3 years ago
type of environmental factors such as temperature or amount of light that might affect an organism's phenotype is___________​
katen-ka-za [31]
The answer to the question is environmental factors
3 0
2 years ago
A scientist could use DNA as a molecular clock to do which of the following? (2 points)
ad-work [718]

Explanation:

<u></u>

<u>-to determine how long ago two species of animals shared an ancestor</u>

<u></u>

The molecular lock describes a method which utilizes mutation rates for DNA over time, to determine the divergence of two species sharing common ancestry,due to evolution. Along with  genetic drift, selective mating and natural selection, evolution may occur within populations due to spontaneous heritable changes to DNA, called mutations, over time.

Further Explanation:

During reproduction, other events, such as crossing over during mitosis and meiosis, mutations lead to increases in genetic variation. This variation refers to the genetic characteristics present within a species. Mutations may be either beneficial or deleterious; they are maintained within cells, as they form new traits called alleles. Beneficial mutations may confer traits that increase the fitness of a species, along with ensuring survival by conferring a protective advantage- these phenotypic differences between organisms are called adaptations.

Sequences of DNA make up genes which can have different forms called alleles. DNA, which makes up the genotype, is transcribed into mRNA and later translated into amino acids which are linked together by rRNA to form proteins which make up the phenotype of an organism. Mutations in DNA sequences affect the corresponding mRNA and thus the protein encoded.

Learn more about mutations at brainly.com/question/4602376

Learn more about DNA and RNA at brainly.com/question/2416343?source=aid8411316

#LearnWithBrainly  

5 0
3 years ago
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fenix001 [56]
Iron bending is just a physical change because the iron has only changed shape but there is no new substance. Iron rusting is a chemical change because there is a new substance which is rust.
7 0
3 years ago
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