4. What does a total solar eclipse look like from Earth?

1 answer:

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4. When you look up to the sky, it appears as a dark circle with halo light at its edges moving across the face of the sun. As it does, depending on the relative position of the person on earth – that determines where they are on the umbra or penumbra of the eclipse, the place becomes a daytime twilight (umbra) or partial twilight (penumbra).

5. A new moon is formed when the moon is in between the sun and the earth. This is converse to the case of a lunar eclipse where the earth is between the sun and moon. In a new moon, the face of the moon that is faced towards the earth is dark because it is not lit by the sun. It is important to note that a solar eclipse is not formed because the moon’s orbit, around the earth, is tilted at an angle.

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Suppose you were in charge of sending an unmanned space probe to a new planet in search of life. The probe would be able to coll

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Answer:

Option D, a test for the presence of cells that contain DNA

Explanation:

As we know all living organisms are made up of cells and DNA is the basic genetic material that codes for protein and traits with an organism. If even a single cell with DNA is detected on the extraterrestrial planet then it will be clear that it has life on it or the environmental conditions are favorable to support life. Cells are microscopic and hence can be seen through microscope which can be installed easily on a probe.

Hence, option D is correct

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These penguins are all members of the species Aptenodytes patagonicus. What is the difference between a species and a population

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Answer:

A species refers to the group of similar organisms that can interbreed to produce a viable offspring. For example, Homo sapiens is a species of humans, Panthera leo refers to the species of lions et cetera.

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For example, Aptenodytes patagonicus refers to a species of penguins but number of penguins of the same species living in a particular area would make up a penguin population of that area.

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Plants, monera, and animals are all A.Have cell walls B. In the same kingdom C. In different kingdoms D. Have chloroplast

kupik [55]

A i think would be the best choice

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Father because you inherit traits from your mother and recessive sex linked traits from your father.

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Sleep produces an "uncoupling" of neurobehavioral systems, providing the ____ with a break.

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Central nervous system

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