Mass divided by volume is equal to (4 points)weight
size
density
area
Answers
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Density
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Which of the following is NOT something that Earth's atmosphere protects us from? A. meteoroids B. ultraviolet light C. greenhouse gases D. dangerous particles from space
Do lemonade dissolve in sand
Given that equation Na+(s)O2–> Na2O. Find the mass of sodium needed to produce 12.5 grams of sodium oxide.
a. At what speed was Brandon flying?
b. What was his velocity?
2. Use the graph to answer the questions.
Answers
Answer:
a. Bradon was flying at the speed rate of 350 miles/hour.
b. His velocity is 350 miles/hour due west.
Explanation:
The speed of an object is the ratio of distance moved to the time taken, while velocity is the ratio of displacement to time taken. The major difference between speed and velocity is that speed is a scalar quantity, while velocity is a vector quantity.
Vector quantities are described by both magnitude and direction, while scalar have only magnitude.
From the question,
distance = 700 miles and time taken = 2 hours
a. speed =
=
= 350 miles/hour
∴ Bradon was flying at the speed rate of 350 miles/hour.
b. velocity =
displacement = 700 miles of west, time taken = 2 hours
velocity =
= 350 miles/hour due west
His velocity is 350 miles/hour due west.
B:gravel on the bottom of the aquarium
C:temperature of the water
D:amount of oxygen in the water
Answers
To solve this we must be knowing each and every concept related to ecosystem. Therefore, the correct option is option A that is algae growing on the glass.
What is ecosystem?
An ecosystem is created by how all living things interact with one another, with the chemical and physical components of their surroundings, and with each other through the movement of energy.
It includes every living item in a certain location along with their nonliving surroundings including air, water, and sunshine. Ecosystems provide for the basic necessities of humans. By supplying us with fresh food and clean water, ecosystems keep us alive.
They supply the basic ingredients we need to meet our demands for food, water, housing, clothes, and transportation. Algae growing on the glass is a biotic factor of an aquarium ecosystem.
Therefore, the correct option is option A.
To know more about ecosystem, here: brainly.com/question/29775110
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Answers
Answers
They wanted to settle the west as quickly as possible.
B.
They worried people would destroy the animals and land.
C.
They worried Native Americans wouldn’t have anywhere to go.
D.
They wanted to make sure all citizens would get a piece of land.
Answers
Answer:
b
Explanation:
hope it helps
carbon cycle:
nitrogen cycle:
Answers
Carbon Cycle - humans greatly affect carbon cycle by immense deforestation activity, which increase the carbon dioxide content in the atmosphere and also the burning of coals, which also increase the carbon content in the surrounding which will result to global warming.
Nitrogen Cycle - one of the major influences of humans in the nitrogen cycle is evident in agriculture. Farmers attempt to increase the availability of nitrogen to the land which is essential to the plants that is why they add nitrogen-containing fertilizers.This results to the larger rate of nitrogen input than occurs naturally through nitrogen fixation processes.