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user100 [1]
3 years ago
13

What type of organism makes up the oldest known fossil?

Biology
1 answer:
choli [55]3 years ago
8 0
Blue-green algae from South Africa at 3.2 billion years old.
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What were Puritans taught?
Firlakuza [10]

All the Puritan children were taught to read, to understand the Bible, and to know the laws of the country. Reading schools were usually the only education for girls, but boys would go to grammar schools after reading schools.

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3 years ago
What are the sequence of steps that includes the image on the retina
jonny [76]

Answer: Light goes into the eye via the cornea, it then pass through the pupil, the lens, the vitreous humor and finally forms an image on the retina.

Explanation:

Light goes into the eye via the cornea. The cornea is a clear, dome-shaped surface that covers the front of the eye.

From the cornea, the light passes through the pupil. The pupil regulates the amount of light passing through.

From the pupil, , light hits the lens. The lens is the clear structure inside the eye. It focuses light rays onto the retina.

Subsequently, light passes through the vitreous humor. A clear, jelly-like substance that fills the center of the eye. It helps to keep the eye round in shape.

Finally, the light reaches the retina where the image is formed the image is usually inverted. The retina is a light-sensitive nerve layer that is situated at the back of the eye.

The main function of the optic nerve is to carry the signals to the visual cortex of the brain. The visual cortex turns the signals into images.

7 0
3 years ago
Which class of mollusks contain octopi and squids?<br> Anthozoa<br> Gastropoda<br> Cephalopoda
bija089 [108]

Answer:

Cephalopods

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2 years ago
Rainforests around the world are being cleared at an alarming rate to make room for new communities, agriculture, mining, and ro
storchak [24]
I think it’s a I’m prob wrong tho
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The continental crust is
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<em>The continental crust is up to 70 km thick.</em>  

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Upto 40% of the earth is made up of continental crust. <em>Sedimentary, igneous and metamorphic ricks </em>make up the continental crust. It makes up the upper layer of <em>continents and shallow seabed</em> areas near the shores.  

<em>Continental crust</em> is thicker than oceanic crust with a thickness ranging from <em>25 km to 70km continental crust</em> makes up 70% of earth’s volume and is usually located above sea level with a few exceptions like the <em>Zealand continental crust</em> region which is largely under water.  

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3 years ago
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