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Harrizon [31]
2 years ago
14

Name two minerals elements that are necessary in the synthesis of chlorophyll​

Biology
1 answer:
Degger [83]2 years ago
4 0

Answer:

Iron and Magnesium are the elements

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How many oxygen atoms are released into the atmosphere because of the process of<br>photosynthesis?​
vodomira [7]

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2 oxygen atoms get released into the atmosphere because of photosynthesis

Explanation:

the oxygen gas is produced as a waste product from the plant so 2 atoms of oxygen are created and combine and form oxygen

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Which is an example of a chemical change?
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when you put chemicals in water and the water gets chemically changed?

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Name two types of evidence used to support the theory of evolution. explain how scientist use each type of evidence to provide s
joja [24]

Answer:

There are many types of evidence which support the theory of evolution such as comparative anatomy, fossil records, phylogenetic relationship, embryology et cetera

Comparative anatomy includes homologous organs and analogous organs. They support divergent and convergent evolution respectively.  

For example, the homologous structure of limb of humans, birds, bat, horse, whale et cetera show that they are made up of the same set of bones which are humerus, radius, ulna, carpals, metacarpals, and phalanges.  

It shows divergent evolution and supports that these organisms have evolved from a common ancestor.

Embryological evidence: When early stages of embryological development of different organisms are compared, it is found that these stages are similar at different levels of development.

For example:

  • The appearance of pharyngeal-arch (gill-like structures) in vertebrates during embryo development.
  • Salamanders and terrestrial frogs pass through larval stages within an egg. They possess the features similar to aquatic larvae, however, when they hatched out the eggs being ready for life on land.
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How does tobacco smoke affect the body? A. It blocks hemoglobin from binding to carbon dioxide, thus affecting gas exchange in t
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All of the above, every answer is true
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3 years ago
What are the frequencies of each offspring genotype in a cross between rr female and a rr male?
Vera_Pavlovna [14]
Since the male and the female have recessive alleles of this gene, all of their offspring will be like that too.
rr x rr cross will result in 100% of the offspring with the genotype: rr

R- dominant (but none of the parents has this allele)
r- recessive
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