What is the rock’s velocity when it reaches the bottom? How do you know?

Explain how frequency and wavelength are related to the speed of a wave.

NEED THIS ASAP

Color is everywhere in nature. The arrows in the image model the wavelengths of visible light. Compare how the incoming colors of light behave when they encounter the kittens black fur, it’s white fur, the green grass, and the yellow dandelion

What’s the correct name for N2O5
A.Dinitrogen Pentoxide
B.Nitrogen Pentoxide
C.Nitrogen Oxide
D.Pentnitrogen Dioxide

Earth’s atmosphere contains the element oxygen in two different forms. The chemical formula for oxygen gas is O2. The chemical formula for ozone gas is O3. How does the structure of oxygen gas differ from that of ozone?

i need and explanation and i need it today. i will give brainliest

How do liquid water, ice, and water vapor differ from each other?
1- They are different kinds of particles in the same states of matter.
2- They are the same kind of particles in different states of matter.
3- They are different substances in different states of matter.
4- They are the same substances in the same state of matter.

what digestive processes occur in the oral cavity

Help plz, thx
Are ice caps in Greenland are composed of salt water?
Yes or no, and plz explain why.

Which of the following best explains the motion of the box on the table? Image result for image box on a table

A.The box is moving downward because of the force called gravity.
B.The box is moving upward because of the force called gravity.
C.The box is not moving because the table is pushing it upward more than gravity is pulling it downward.
D.The box is not moving because the table is pushing it upward just as much as gravity is pulling it downward

Ok me and my brother had an argument and threw a frok at me
Saying he didnt

please help me with this science question

Cells that are able to divide and replicate many times in order to replenish and repair tissue.

What is the type of human cell?

The law of physics which states that energy can't be created or destroyed but can transfer or change forms is known as
The Law of Conservation of Energy
The Law of Collisions
Absolute Zero
Thermal Equilibrium

Are these cells animal cells, or are they or plant cells?

(NО LINKS,NО TAKEING PОINTS) CОMPLEТE ТHE WHOLE THING!!!
1.Which twо of the following оrganisms are prоducers in this fоod web?
Bilberry and brоwn lemming
bilberry and grizzly bear
bilberry and beаr sedge
2. Which animal is а 4th level cоnsumer (аpex predator)?
Earthwоrm
caribоu
rough legged hawk
brown lemming
3.Which animal is a primary consumer?
snоwy оwl
brоwn lemming
shоrt-tailed weasel
lichen
4.Which arrоws shоw matter mоving frоm a prоducer tо a primary consumer?
(choose the answer in the picture below)

If a compound has two atoms of aluminum (AI) and three atoms of oxygen (O) what would its chemical formula look like?

Water has a formula of H2O. Based on the formula which is NOT a correct statement?

A. It is an element

B. It is a compound

C. It contains oxygen

D. It contains hydrogen

Put the words in the correct order to which the energy transfers at Christchurch?


Land/Water/Air

Name the particle that has each type of charge?

Positive (+) _________________________________________________
Negative (-) _________________________________________________
No Charge (0) _________________________________________________

Cells come from other cells.
A) False
B) Never
C) Sometimes

During which phase of mitosis do the sister chromatids pull apart?

A) Cytokinesis

B) Anaphase

C) Telophase

D) Prophase

Help asapppppppppppppppp

How do the gases in Earth's atmosphere affect Earth's average temperature?
A. They make Earth warmer by trapping heat energy in the bonds between their atoms.
B. They make Earth warmer by allowing all of the Sun's rays to travel to Earth's surface.
C. They make Earth cooler by decreasing the amount of precipitation formed in the atmosphere.
D. They make Earth cooler by allowing most of the heat from the Sun to escape back into space

Use the image to answer the question.

A diagram shows the process of photosynthesis. A flowering plant has arrows pointing into the plant leaves from the sun, arrows pointing into the plant leaves from the air, and arrows pointing into the plant roots from under the ground. Arrows also point away from the plant leaves into the air.

In a paragraph, answer these questions:

What is photosynthesis?
What are the inputs for photosynthesis?
What are the outputs for photosynthesis?

Please answer the questions. I REALLY NEED HELPPPPPPPPP. LIKE RIGHT NOW.

Where do cells come from? (Please choose from the following)
1. Tissues
2. Other cells
3. Skin
4. Molecules

Which of the following are isotopes?
Two carbon atoms, one with 6 electrons and one with only 5 electrons.
Two oxygen atoms, one with 6 neutrons and one with 5 neutrons
Two nitrogen atoms, both with 7 protons and 7 neutrons
An oxygen atom with 6 neutrons and a nitrogen atom with 6 neutrons

A gardener crosses a rose plant with the fewest number of thorns with another rose plant with fewer thorns.
a. gene modification
b. artificial selection

2. List the following from least complex to most complex.
Bacterial Cell
Multicellular organism
Cell with a nucleus

A cold front forms when

A.
cold air rises and creates a vacuum.

B.
cold air moves under warm air and pushes the warm air upwards.

C.
warm air collides with cold air, but neither has enough energy to move above or below the other.

D.
warm air moves in below existing cold air and pushes the cold air upwards.

what is the relationship between the distance from an object and the strength of its gravity?