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sergejj [24]
3 years ago
9

0.2 Give three examples of surfaces that produce a High friction b low friction​

Biology
1 answer:
timama [110]3 years ago
4 0

Answer:

ice , mirror , soap , oil , lubricant surface are examples write anyone of your choice.

Explanation:

please mark me brainliest

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Hybrid plants are more likely to be sterile than open-pollinated plants.<br> True<br> False
V125BC [204]

Answer: true

Explanation:

7 0
2 years ago
Which of the following is a normal process of photosynthesis that could not occur if all reaction centers were inactivated by a
Arturiano [62]

Answer:

A. donation of excited electrons by chlorophyll a to a primary electron acceptor

Explanation:

Photosystems are structures located at the thylakoid membrane that act to harvest energy light in order to convert it into chemical energy. Each photosystem is composed of a light-harvesting complex and a core complex, which in turn is composed of a reaction center. The photosynthetic reaction centers are multi-protein complexes that use light energy to catalyze the electron transfer across the chloroplast thylakoid membrane against a thermodynamic gradient. Moreover, antenna pigments are pigments that capture the energy from photons in order to transfer energy to other pigments in the photosystem (e.g., chlorophyll B and carotenes are antenna pigments, whereas chlorophyll A is the core pigment). Light energy absorbed by antenna pigments in the photosystems is transferred to the reaction center chlorophyll A molecules, thereby exiting electrons in the reaction center. A reaction center consists of two chlorophyll A molecules, which donate electrons to the primary electron acceptor.

4 0
3 years ago
What valve is located between the left atrium and left ventricle?
Jet001 [13]
The tricuspid valve, located between the right atrium and the right ventricle; the pulmonary (pulmonic) valve, between the right ventricle and the pulmonary artery; the mitral valve, between the left atrium and left ventricle; and. the aortic valve, between the left ventricle and the aorta.
3 0
3 years ago
Is the Sun a planet? Why or why not? (3-4 sentences)
Molodets [167]

Answer:

No

Explanation:

The Sun is a star there are lots of stars,but the Sun is the closest one to Earth.It made from gases and it always burning

Planets are:Mercury, Venus, Earth, Mars, Jupiter, Saturn, and Uranus

4 0
2 years ago
What do you think happens to a wave’s energy below the surface?
White raven [17]

Answer:

wave power is greater

Explanation:

deep water waves meaning that the depth of the water is greater the wave length

7 0
3 years ago
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