Answer:
Guard cells open and close the stomata to regulate the rate of transpiration. Hope I helped
Are there any steps of the rock cycle that do NOT connect directly to one another? Explain why this may be the case using at least two examples.
please helpp
Answer:
rocks are destroyed
explanation
ricks are never destroyed they descompose
There are no steps in the rock cycle that do not connect directly to one another. The rock cycle describes the continuous process by which rocks are formed, weathered, eroded, transported, deposited, and lithified, leading to the formation of new rocks.
What are the steps in rock cycle ?Each step of the rock cycle is interconnected and depends on the other steps. For example, the formation of sedimentary rocks requires the weathering and erosion of preexisting rocks, the transportation and deposition of the resulting sediments, and the lithification of the sediments into rock.
Without the weathering and erosion of preexisting rocks, there would be no sediment to form sedimentary rocks.
Similarly, the formation of metamorphic rocks requires the heat and pressure of burial and tectonic activity, which in turn is influenced by the existing rock formations and geological processes of the area.
Another example is the formation of igneous rocks, which can occur through the melting and solidification of preexisting rocks, or through volcanic activity.
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Stacy made the following table to compare the functions of plant and animal structures, but she is missing a row title. Which of the following would best replace the X?
a table comparing the functions of different animal and plant structures. There is an unknown 'X' in the table. The skeleton in animals and the stem in plants provide support. The fur in animals and the waxy covering in plants provide protection. The ovaries in animals and the pistil in plants make 'X'
Eggs
Fruit
Sperm
Food
All vertebrates are known to have two ovaries. Many invertebrates have testes and ovaries in a single animal. The ovaries in animals and the pistil in plants make eggs. The correct option is A.
What is pistil?The female reproductive structure of the flower is known as the pistil. It consists of the structures like stigma, style, ovary and ovule. The major function of the pistil is to support the pollination process which finally leads to fertilization.
The stigma of the pistil receives the pollen and the style transports the pollen to the ovule. Pistils protects the ovule present inside it. The ovary is also the female reproductive organ in which the sex cells are produced called an egg.
The function of the ovaries is to nurture the eggs for the process which is called the ovulation.
Thus the correct option is A.
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difference between alloys and mixtures?
Answer:
Top answer is correct :]
Explanation:
NEED ASAP LIKE RIGHT NOW PLEASE HELP
what is a wave and how it transverses energy
Answer:
wave means a number of different ways in which energy is transferred: In electromagnetic waves, energy is transferred through vibrations of electric and magnetic fields
When water evaporates, what happens to the molecules that make up the liquid water?
Do they disappear?
Answer:
Evaporation happens when a liquid substance becomes a gas. When water is heated, it evaporates. The molecules move and vibrate so quickly that they escape into the atmosphere as molecules of water vapor.
Explanation:
Calculate the speed of a wave with a wavelength of 6 meters and a frequency of 3 hertz.
You should be using the formula
speed = wavelength x frequency
Other than water, what substance is formed when an acid and a base are combined in a water solution?
Answer:
Salt. Hope this helps!!
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Bats and marine mammals are able to locate prey and to communicate by sending and receiving soundwaves that echo off of surfaces. Echoes demonstrate the wave property of (blank)
why do you think mauna loa erupts periodically instead of steadily
Describe two ways you think a sound wave could be stopped or could change change direction.
Answer:
Like any wave, a sound wave doesn't just stop when it reaches the end of the medium or when it encounters an obstacle in its path. Rather, a sound wave will undergo certain behaviors when it encounters the end of the medium or an obstacle. Possible behaviors include reflection off the obstacle, diffraction around the obstacle, and transmission (accompanied by refraction) into the obstacle or new medium
Answer:When sound waves move from one medium to another, there will be changes to the velocity (or speed), frequency and wavelength of the sound wave. This change in velocity can also result in a change of direction of the sound wave - also known as refraction
Explanation:
Alice went camping with her family. She set up her tent in a grassy area. After two weeks, she noticed that the grass under her tent turned brown. Which factor most likely explains why the grass turned brown?
lack of water and sunlight
lack of oxygen and fertilizer
lack of soil and shade
lack of food and nutrients
Water and sunlight are necessary for photosynthesis to occur absence of these turned the grass brown.
What is photosynthesis?It is defined as a process by which plants and other photosynthetic organisms convert the light energy in to chemical energy through the process of cellular respiration.
Some of the energy which is converted is stored in molecules of carbohydrates like sugar and starches which are made up of from carbon dioxide and water . Photosynthetic organisms which can perform photosynthesis are algae and cyanobacteria. Photosynthesis is largely responsible for producing and maintaining the content of oxygen in earth's atmosphere.
The process begins with proteins absorbing light energy which are called reaction centers and contain a green pigment which is called chlorophyll . In plants ,these pigments are present inside organelles called chloroplasts while in bacteria they are present in plasma membrane.
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The ________________ flows out of a volcano. mantle magma silt lava
what's the difference between erection\arousal and erosion
Answer:
uhhh they are VERY different things
maybe you should look up what erection/arousal is?
erosion is what happens to layers of the Earth such as rock over time
Answer:
When a male is aroused sexually, the blood vessels in the penis relax and open up, allowing blood to fill them. Blood trapped under high pressure creates an erection. Ejaculation is a reflex action controlled by the central nervous system.
Explanation:
The circulatory system is responsible for which of the following?
I. bringing oxygen to your cells
II. bringing nutrients to your cells
III. bringing carbon dioxide to your cells
I only
I and III only
I and II only
I, II, and III
EXPLAIN
Answer:
I, II
Explanation:
The circulatory system is made up of blood vessels that carry blood away from and towards the heart. Arteries carry blood away from the heart and veins carry blood back to the heart. The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.
Using your knowledge geologic processes, explain why there are fertile, nutrient-rich solls on and surrounding volcanoes
Answer:d
Explanation:blah blah
Brsinlirst if correct
(4)
Answer:
the first answer is reflected and the second is absorbed
Explanation:
When white light shines on an opaque object, some wavelengths or colours of light are absorbed. These wavelengths are not detected by our eyes. The other wavelengths are reflected, and these are detected by our eyes.
What is a similarity between a tulip and a crocodile?
a tulip and a crocodile
A function of both of their outer coverings is to reduce water loss.
In both the tulip and crocodile the male reproductive organ is the testes.
The tulip and crocodile both have internal skeletons that support them.
The outer coverings of the tulip and crocodile both protect the organism.
Answer:
pretty sure the answer is "A function of both of their outer coverings is to reduce water"
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Question in picture**
Answer:
D
Explanation: