Help me guys I don’t know this answer all of this

Answer:

A. d

B. a

C. c

D. d

Explanation:

A. The student traveled 800m overall

B. The student ends 200m from where they started

C. (distance/ overall time) 800/100 = 8m/sec.

D. I am not 100% sure about this one, but it seems to be the most likely

If all three metals were exposed to extremely high temperatures, which would be the last to melt? (copper, gold, mercury)

What’s the most historic thing that has happened in your lifetime?

Which biome has the greatest biodiversity, and why?
MY TEACHER ASKED ME THIS AND WE HAVEN'T EVEN LEARNED ABT THIS!!! PLS HELP I WON'T ACCEPT FAKE ANSWERS I WILL FLAG THEM AS FAKE :

Please Help Me!!
Zn + 2HCl --> ZnCl2 + H2 Which of the following provides the best evidence that this reaction follows the law of conservation of mass?

How do matter and energy move through an ecosystem?

My scientific explanation is:

Your answer should include at least 1-2 complete sentences to explain the claim, evidence and reasoning.
Be sure to check your grammar and spelling.
Use the Sentence Starter to help you:

Matter and energy move through an ecosystem by...

Can you please help me

_____ is when the amperage put over a wire or circuit is more than it can handle.

What are some causes of climate change?

PLZ HELP ME THIS IS ACTULLY SCIENCE BUT PLEASE HELP MEEE
Which of the following are characteristics of soft money? i. donations from individuals and interest group PACs ii. unregulated by the Federal Election Commission iii. goes directly to a political candidate iv. can be used for advertising or other campaign expenses
A. i, ii, iii, and iv

B. i and ii only

C. i, iii, and iv only

D. ii, iii, and iv only

Please select the best answer from the choices provided

Coastal waters in cool, humid areas where fresh water rivers run into the ocean tend to have lower ____________________.

When they're trying to solve a problem, engineers follow a series of Question 1 options: problems steps solutions tests

What is the largest contributor to the greenhouse effect?

To see if it works like they want it to, engineers need to Question 3 options:

test their solution
define their problem
do their research
design their solution

Which set of terms best defines what affects kinetic energy and potential energy, respectively?

position, gravity
gravity, velocity
velocity, height
height, position

1. Kylee has been learning that engineering and technology are beneficial to people. She now sees how things people synthesize are useful. The useful materials that benefit people are synthesized from _______.

A.synthetics
B.natural resources

How do animals receive the sun's energy?

a. They use the sun's energy to make food.
b. They store solar energy in their bodies.
c. They use the energy stored in plant food.

Plz help! The best answer will get brainliest!

What is the net force acting on an object?

Plz help asap! Good answers plz!

Explain why action and reaction forces are not balanced forces.

You see a worm crawling along the ground and wonder if scientists consider it living or nonliving. Which item below would not be true when classifying the worm as living or non‐living?
A worm can move so it must be living.
A worm can reproduce and make little baby worms (called wormlets) so it must be alive.
Worm’s pass dirt through their body pulling food out and discarding the stuff they don’t want so it must be alive.
If you cut a worm in half, it can re‐grow so it must be alive.

Why is deforestation an issue for the climate?

Compare and contrast the alkaline battery and a Zinc carbon battery. put in some other facts about them too. write somewhere around 2 paragraphs.



I'll mark brainlyest to whoever has the best answer and give them 50 points for helping me.

Examples of microhabitats could be a rotting tree stump or a dead animal. List 3 microhabitats.

A student used a portable electric drill to remove screws from a broken wooden table. He noticed that the screws holding the table together were warm to the touch after being removed from the wood. Which statement best explains this phenomenon?
A:Electrical energy from the drill was converted into chemical energy due to conductivity.
B:The process of removing the screw concentrated the thermal energy that was already present in the wood

Which statement describes the energy changes that occur when water in a tea kettle is heated on a stove that uses natural gas


A:Some of the chemical energy in the natural gas transforms into thermal energy, which heats the water. Then some of the thermal energy changes into sound energy when the water forms steam and the steam leaves the kettle.

B:Some of the electrical energy in the natural gas transforms into thermal energy, which causes the water to form steam. Then some of the thermal energy changes into sound energy and light energy when the steam leaves the kettle.

WILL GIVE BRAINLIEST! What greenhouse gas most controls the temperature? And when is it released?

Choose all the answers that apply.

The sun _____.

a. creates energy from fission reactions
b. creates energy through fusion reactions
c. transfers heat through radiation
d. is made of hydrogen and helium
e. uses its own mass to create energy

Science
The theory of continental drift states that the land masses called continents were once closer together and have drifted apart over time. Which circumstance is the strongest evidence in support of this theory?
Select one:

the periodic climate changes of Earth

the migration patterns of birds

the large variety of animals on each continent

the similarity of fossils on different continents

jenny turned on the fan in her bedroom. what energy transformation took place when she turned on the fan

Daniel is testing objects for his science experiment. He has a chart listing the mystery objects' densities, but no other information. He places each object in large bowl of water in order to determine if any float. Which of the objects, if any, will float?

A.Object B
B.Object C
C.NONE of the objects will float.

A book is sliding across a horizontal tabletop. As it slides, slows down. Which of the following statements best explains this situation?

There is a balanced force on the book caused by gravity.

There is no upward force acting on the book.

There is an unbalanced force on the book caused by friction.

There are no unbalanced forces acting on the book.