3 years ago

What were the first living “things” called? (between 3.9 and 3.5 billion years ago)

1 answer:

4 0

Bacteria have been the very first organisms to live on earth in the waters of the first oceans. At first, there were only anaerobic heterotrophic bacteria.

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3. What percentage of plants makes up the angiosperm group?

max2010maxim [7]

The answer is 46.5%

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2 years ago

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The image of an object which is 10cm from a lens is formed on the same side as the object. If the image is 10cm behind the objec

andre [41]

Answer:

Focal length is 6.67 cm.

Explanation:

Object distance, u, from the lens = 10 cm

Image distance, v, to the lens = 10 cm + 10 cm

= 20 cm

Apply the lens formula to determine the focal length, f, of the lens.

$\frac{1}{f}$ = $\frac{1}{u}$ + $\frac{1}{v}$

= $\frac{1}{10}$ + $\frac{1}{20}$

= $\frac{2 + 1}{20}$

$\frac{1}{f}$ = $\frac{3}{20}$

Find the inverse of both sides, so that;

f = $\frac{20}{3}$

= 6.67

f = 6.67 cm

The focal length of the lens is 6.67 cm.

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2 years ago

What is the connection between proteins, DNA, traits and genes.

liraira [26]

Answer -The connection between Protein, DNA, Traits and Genes is DNA has Chromosomes or Chromatin which is strands outside of the Nucleolus. It has coding that will be used in Protein Synthesis and which then we go into Genes which is in the Nucleolus that has controls and gives coding of Traits and other functions.

Reasoning - These are specific reasoning and pretty much sums of what are the story behind a cell.