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what changes occur in the cardiovascular when you are participating in physical activity?
1. 1 answer
2. 142 views
Which of the following jobs is a career in training? Select all that apply.A. Distance learning coach B. Guidance counselor C.
1. 1 answer
2. 158 views
how would you change your meal plan and the proportion of essential nutrients, in order to meet your nutritional needs for
1. 1 answer
2. 113 views
Jeremy hypothesized that adults with blue eyes are shorter than adults with brown eyes. He collected data by visiting all of the
1. 1 answer
2. 144 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
1. 1 answer
2. 356 views
Tera performed multiple experiments to determine the best growing conditions for Azaleas. In one experiment, she tested the
1. 1 answer
2. 177 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. 1 answer
2. 148 views
During the rock cycle, sedimentary rocks are returned to the Earth's interior and become metamorphic rocks through metamorphism.
1. 1 answer
2. 169 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. 1 answer
2. 139 views
The flow chart below indicates the hierarchical levels of the Linnaean classification system.In the flow chart, the
1. 1 answer
2. 171 views
A science class conducted an experiment to learn more about solutions and their boiling points. The class broke up into three
1. 1 answer
2. 165 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. 1 answer
2. 182 views
The image below shows a landform made up of many layers of sedimentary rock. According to the law of superposition, the
1. 1 answer
2. 245 views
The process of photosynthesis converts carbon atoms from carbon dioxide into _______.salts sugars hydrogen oxygen
1. 1 answer
2. 76 views
When substances are mixed and heated, a change can occur. The image below shows what happens when sodium is added to chlorine
1. 1 answer
2. 123 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. 1 answer
2. 110 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. 1 answer
2. 118 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. 1 answer
2. 160 views
According to the law of universal gravitation, any two objects are attracted to each other. The strength of the gravitational
1. 1 answer
2. 168 views
A stream of surface water reaches a porous portion of sediment and seeps into the ground. This water eventually joins a large
1. 1 answer
2. 142 views
Charles Darwin’s observations helped him form the theory of evolution. This theory involves the process of natural selection.
1. 1 answer
2. 132 views
Rocks are made of minerals, and they are formed in different ways. According to the diagram above, how are metamorphic rocks
1. 1 answer
2. 137 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. 1 answer
2. 104 views
Below, the levels of organization in a multicellular organism are shown from least to most complex.Which level of organization
1. 1 answer
2. 157 views
A solar system is composed of __________.A.several galaxies that are joined together. B.a star and all the objects in orbit
1. 1 answer
2. 106 views
Hydrogen is a pure substance represented by the chemical symbol H. Which of the following best describes hydrogen?A.Hydrogen is
1. 1 answer
2. 155 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. 1 answer
2. 297 views
Solar radiation is made up of light energy. Light energy can be separated by wavelength and frequency into the electromagnetic
1. 1 answer
2. 147 views
Which of the following is a characteristic of meiosis but not of mitosis?A. separates one existing cell into two identical new
1. 1 answer
2. 107 views
What is a conclusion?(1 point)a final paragraph in a narrative that contains most of the supporting details an opening paragraph
1. 1 answer
2. 280 views
what were some of the events that prompted the need for labor reform? Select all that apply.
1. 1 answer
2. 212 views
Can someone give me a polynominal and advice on how to solve it pls 🙏🏼🙏🏼🙏🏼
1. 2 answers
2. 131 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. 1 answer
2. 129 views
Does the table represent an exponential function?X: 1, 2, 3, 4 Y: 4, 16, 64, 256
1. 1 answer
2. 88 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. 1 answer
2. 143 views
Astronomers measure large distances in light-years. One light-year is the distance that light can travel in one year, or
1. 2 answers
2. 166 views

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