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4 years ago

Describe the hunting method that the Clovis people used at the Jake Bluff kill site. (Site 1)

Biology

1 answer:

Eddi Din [679]4 years ago

7 0

Answer:

They use spears.

Explanation:

The hunting method that the Clovis people used for killing the large animals is the use of spears. These spears have a pointed head which easily penetrate in the body of these large animals and kill them in a very less time. They mostly hunt big animals in groups which make easier the hunting of animals. In this period when the Clovis people were present, extinction of mammoths, giant sloth and bison in North America occurs due to hunting and climate change.

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Which specific process in the light dependent reactions produce oxygen and hydrogen ions? A- The formation of NADPH

garri49 [273]

Light-dependent reactions involve a series of events that involve electrons moving along the transporter chain. Water provides the electrons, releasing oxygen and hydrogen ions. C) The splitting of water

<h3>What are the light-dependent reactions?</h3>

Photosynthesis involves two stages: light-dependent and light-independent reactions.

Light-dependent reactions occur in the thylakoids of chloroplasts. They Involve the noncyclic pathway which is a flow of electrons along a chain located in the thylakoid membrane.

Photosynthetic pigments are in charge of light absorption. When sunlight reaches the pigments, electrons provided by water get excited and move along the electron transport chain.

During these reactions, oxygen is released, while ATP and NADPH are produced. Both of them are used during light-independent reactions.

The steps of light-dependent reactions are the followings,

1) Luminous energy is trapped by chlorophyll in Photosystem II.

2) When the pigment molecules absorb light, electrons provided by water molecules get to a higher energy level.

3) The excited electrons go through the electron transport chain from Photosystem II to a less energetic level in photosystem I.

4) When the excited electrons leave photosystem II, they are replaced by new electrons extracted from the water molecules.

5) The absorbed luminous energy moves the electrons from the photosystem I to another electron acceptor, from where they get transported again and used to produce NADPH molecules.

6) When electrons leave Photosystem I, they are replaced by new electrons coming from photosystem II.

7) When the water molecule breaks down, it releases oxygen and hydrogen ions, which remain in the thylakoid lumen. From there hydrogen ions are pumped to the stroma by the ATP synthase.

8) The released energy is used to produce ATP molecules.

9) Hydrogen ions go back from the stroma to the thylakoid compartment.

According to this information, the correct option is C- The splitting of water.

Water breaks down and releases oxygen, hydrogen ions, and provide electrons to the chain.

You can learn more about light-dependent reactions at

brainly.com/question/13349357

brainly.com/question/17161133

#SPJ1

5 0

2 years ago

Which of the following best demonstrates Newton's Third Law?

Triss [41]

The best demostration that applies to Newton's Third Law of motion would be D) When you walk your foot pushes down on the ground while the ground pushes back on your foot.

4 0

4 years ago

Read 2 more answers

DONT ANSWER ALL THE PAGES JUST ANSWER THE LAST 2 PLAGES<br> giving brainliuest

Nataliya [291]

Answer:

31. Seatbelts lock in place to make sure you don't go flying into the windshield.

32. Friction causes the soccer ball to slow down. If we were to kick a soccer ball in space, where there is no friction, it would keep on rolling until it eventually hits something or goes out of sight.

33. Heavier loads will make the vehicle move off of the table. The heavier the weight, the quicker the vehicle will roll. Loads that are something very similar or lighter than the vehicle won't make the vehicle move by any means.

34. Gravity is the power pulling the piano toward the Earth.

Friction would happen with an unpleasant surface, making it a lot harder to push the piano up the ramp.

35. Wagon C

Wagon C has the least boxes and minimal measure of mass, making it simplest to move.

36. I would move the crates so every cart has a similar measure of boxes, making them equivalent in mass. This would make them all take a similar measure of power to move them.

Explanation: I have the answer key

7 0

3 years ago

What atoms make up sugar molecules?

Nonamiya [84]

Answer:

Carbon, Hydrogen, Oxygen

Explanation:

it doesn't matter what type of sugar you're talking about, fructose, glucose, etc. all sugars are made from C, H, and O

6 0

3 years ago

A(n)

daser333 [38]

Answer:

Due to difference in the values of electronegativities.

Explanation:

A covalent bond is formed between hydrogen atom with a partial positive charge on it and another atom, such as oxygen, have a partial negative charge on an adjacent molecule. This is because of the difference in the values of electronegativities. The hydrogen atom has lower electronegativity value as compared to oxygen so the shared pair of electron is slightly attracted by oxygen atom towards itself and formed partial positive charge on hydrogen and partial negative charge on oxygen atom.

5 0

3 years ago