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Questions (36)
Astronomers measure large distances in light-years. One light-year is the distance that light can travel in one year, or
2 answers
138 views
Radio signals travel at a rate of 3x10^8 meters per second.how many seconds would it take for a radio signal to travel from a
1 answer
112 views
Does the table represent an exponential function?
X: 1, 2, 3, 4 Y: 4, 16, 64, 256
1 answer
72 views
Radio signals travel at a rate of 3x10^8 meters per second.how many seconds would it take for a radio signal to travel from a
1 answer
97 views
Can someone give me a polynominal and advice on how to solve it pls 🙏🏼🙏🏼🙏🏼
2 answers
97 views
what were some of the events that prompted the need for labor reform? Select all that apply.
1 answer
165 views
What is a conclusion?(1 point)
a final paragraph in a narrative that contains most of the supporting details an opening paragraph
3 answers
225 views
Which of the following is a characteristic of meiosis but not of mitosis?
A. separates one existing cell into two identical new
1 answer
82 views
Solar radiation is made up of light energy. Light energy can be separated by wavelength and frequency into the electromagnetic
1 answer
117 views
Both plant and animal cells have several types of organelles. Which statement best compares a plant cell to an animal cell?
A.Pla
1 answer
243 views
Hydrogen is a pure substance represented by the chemical symbol H. Which of the following best describes hydrogen?
A.Hydrogen is
1 answer
110 views
A solar system is composed of __________.
A.several galaxies that are joined together. B.a star and all the objects in orbit
1 answer
85 views
Below, the levels of organization in a multicellular organism are shown from least to most complex.
Which level of organization
1 answer
125 views
What happens to the speed of the light as it travels from the air, through the glass, and then through the water?
A. The speed of
1 answer
81 views
Rocks are made of minerals, and they are formed in different ways. According to the diagram above, how are metamorphic rocks
1 answer
104 views
Charles Darwin’s observations helped him form the theory of evolution. This theory involves the process of natural selection.
1 answer
90 views
A stream of surface water reaches a porous portion of sediment and seeps into the ground. This water eventually joins a large
1 answer
86 views
According to the law of universal gravitation, any two objects are attracted to each other. The strength of the gravitational
1 answer
133 views
A speedboat is moving at a constant speed, and the force propelling it forward is balanced by the force of the water pulling it
1 answer
124 views
Andrea is performing an experiment in which she needs to know when a strong acid is present. She is not sure which indicator to
1 answer
94 views
The Earth's axis of rotation is tilted. Because of this, the amount of sunlight an area on the planet receives each day varies
1 answer
86 views
When substances are mixed and heated, a change can occur. The image below shows what happens when sodium is added to chlorine
1 answer
98 views
The process of photosynthesis converts carbon atoms from carbon dioxide into _______.
salts sugars hydrogen oxygen
1 answer
58 views
The image below shows a landform made up of many layers of sedimentary rock. According to the law of superposition, the
1 answer
199 views
Which of the following statements is NOT part of the Cell Theory?
All cells are produced from other cells Cells can absorb food
1 answer
136 views
A science class conducted an experiment to learn more about solutions and their boiling points. The class broke up into three
2 answers
134 views
The flow chart below indicates the hierarchical levels of the Linnaean classification system.
In the flow chart, the
1 answer
118 views
The chart above shows how a star's temperature relates to its color. Rigel is a blue star, Betelgeuse is a red star, and the Sun
1 answer
110 views
During the rock cycle, sedimentary rocks are returned to the Earth's interior and become metamorphic rocks through metamorphism.
1 answer
130 views
Pat pours cold, liquid cream into a cup of hot coffee. Which of the following describes how the hot coffee and cold cream will
1 answer
110 views
Tera performed multiple experiments to determine the best growing conditions for Azaleas. In one experiment, she tested the
1 answer
127 views
In the diagram below, light from the Sun strikes a beach (Z). The beach sand gains heat then warms the air that is immediately
4 answers
286 views
Jeremy hypothesized that adults with blue eyes are shorter than adults with brown eyes. He collected data by visiting all of the
1 answer
112 views
how would you change your meal plan and the proportion of essential nutrients, in order to meet your nutritional needs for
1 answer
88 views
Which of the following jobs is a career in training? Select all that apply.
A. Distance learning coach B. Guidance counselor C.
1 answer
123 views
what changes occur in the cardiovascular when you are participating in physical activity?
1 answer
118 views
