In the diagram of the wave shown, the area labeled 2 refers to the -

A: amplitude
B: compression
C: crest
D: wavelength

Answer:Hello! It’s wave length.

Explanation:

Which of the following is a reactant in aerobic respiration?
◉ATP
◉Carbon dioxide
◉Lactic acid
◉Oxygen
im thinking its oxygen but lemme know if im wrong :p

which layer contains an index fossil? How do you know

Sorry for last time when you could not see it, but here you go.

In what direction and with how much net force will the satellite move?

How can you use the terms of air pressure, air masses, and fonts to describe the formation of a tornado ??

Carolus Linnaeus created a classification system (taxonomy) in the 1700's based on what? *

The Sun seems to move across the sky each day because of the rotation of the Earth on its axis. The Sun's path across the sky also appears to change over the different seasons of the year.

Why does the Sun's path change over the different seasons?
A.
because the Earth is tilted and revolving around the Sun
B.
because the Sun is tilted and rotates around its axis
C.
because the Sun is tilted and revolving around the Earth

How does knowing the number of valence electrons in one of the alien elements help to identify it? Explain how a periodic table is used to accomplish this task.

IF YOU HELP ME I WILL GIVE YOU BRAINLIEST

In the diagram of the transverse wave shown, the arrow labeled 3 is pointing at the -

A: compression
B: crest
C: trough
D: wavelength

PLEASE HELP (THIS IS SCIENCE

Charles Darwin's theory of evolution describes how species evolve due to natural selection. Which of these is NOT evidence of natural selection
Camels have long, bushy eyelashes
Mint plant varieties are crossed to express desirable traits
The snowshoe hare is white in winter and brown in summer
Galapagos finches have stronger beaks after years of drought

What powers the protein ATP Synthase?

A. light
B. glucose
C. NAPH
D. H+

The relationship between nitrogen fixing bacteria and legumes is

Which of the following describes a general community of deer?

Answer options:

All of the deer, raccoon, trees, birds, rocks, sky, air, water in a particular area


All of the deer in the world


All of the deer in a particular area


All of the deer, raccoon, trees, birds, and ants in a particular area

1.Mars is the 5th planet from the Sun in our Solar System. *
True
False
2.The inner planets are referred to as "gas" planets. *
True
False
3. A meteor is a streak of light produced as a meteoroid burns up in the Earth's atmosphere. *
true
false
4. Saturn is the 6th planet from the Sun in our Solar System. *
true
false
5.Rocky" planets are the planets closest to the Sun, inside the asteroid belt. *
true
false
6.Black Holes distort space and time around them due to gravity compressing them so they occupy no space at all. *
true
false
7.Comets are made of rock and ice and they are formed in the inner solar system. *
true
false
8.Space Trash" is small rocky pieces broken off comets and asteroids or other debris called meteoroids. *
true
false
9.What is the order of the planets in our solar system from the Sun out?
Mars, Venus, Earth, Mercury, Jupiter, Saturn, Neptune, Uranus, Pluto
Mercury, Venus, Earth, Jupiter, Mars, Saturn, Neptune, Uranus, Pluto
Mercury, Venus, Earth, Mars, Jupiter, Neptune, Saturn, Uranus, Pluto
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto
10.Types of galaxies are identified by the different shapes and types of stars in them. *
true
false
11.Astronomy is the study of...? *
All physical objects beyond the Earth in the solar system
Stars in the Solar System
All planets and the stars
The Sun and its solar system
12. The three main types of galaxies are...? *
Pinwheel, Elliptical and Irregular
Elliptical, Disc and Irregular
Elliptical, Frisbee and Irregular
Spiral, Pinwheel, Elliptical
13.A celestial body of rock and gases moving in an orbit around the sun is? *
A planet
A comet
A galaxy
A solar system
.
14Our galaxy, the Milky Way is what type of galaxy? *
Irregular Galaxy
Elliptical Galaxy
Disc Galaxy
Pinwheel Galaxy.
15.Pick the correct list showing the correct order from smallest to the largest. *
stars, planets, solar system, galaxy, universe
universe, galaxy, solar system, stars, planets
planets, stars, solar system, galaxy, universe
planets, stars, galaxy, solar system, universe

16.Which of these does not describe a galaxy? *
Planets that revolve around the sun.
A massive grouping of stars
A collection of stars revolving around a gravitational center
Are known to have the largest diameter in the universe.
17.A Nebula is...? *
The death of a star
The forming of a new star, "birth" of a star
A powerful source of light and energy far away in the universe
Made of rock and ice and forms in outer space
18.he region of spaced between Mars and Jupiter is...? *
An Oort Cloud
A Black Hole
The Asteroid Belt
The Inner Solar System
19. Made of rock and metal and formed in the inner solar system. I am __________? *
A meteoroid
The asteroid belt
A comet
An asteroid
20. Scientists use this tool to determine the composition of stars by analyzing their color lines. *
Telescope
Spectroscope
Microscope
Hand lens
21.Comets originate in the outer solar system in an area referred to as...? *
The asteroid belt
A black hole
Oort cloud
Inner solar system
22.A ______________ is a powerful source of light and energy which is an extreme distance away. *
Quasar
Nebula
Big Bang Theory
Galaxy
23. The Big Bang Theory is...? *
A theory stating there was a large explosion that happened when Earth was hit by an asteroid.
A theory stating the universe began with a tremendous explosion.
A theory stating the universe will end in a tremendous explosion.
A theory that has been proven as absolute fact which explains the origin of everything.
24. The HR Diagram is a graph/chart that allows us to determine...? *
25.A Super Nova is...? *
The "birth" of a star
The "death" of a star
Only happens to Aubergines
Can be calculated using an HR Diagram

The smallest unit of life of an organism is called what?

#1Tissues

#2Cells

#3Organs

#4Organ System

Scers who search for oss scheuse the smalfossilto describe some of the finds. An example of a transitional fossilis Dimetrodon, which lived 280-265 million years ago. Dimetrodon had alzard-e appearance but had a sale
structurecking out from is back that owed to regulate is body temperature, an ability that is found today in modern warm-blooded mammals. While Dimetrodon swallowed its prey whole like reptiles do it also had different types of teeth, a tratalo
common to which of the best explains how tonalfossils support the theory of evolution?
Transitional fois show rats common to ancestors as well as descendants
Trafo show how the organic characteristics remain the same over time
Tanlos show how individual organism can change their characteristics during their times
Transitional fossils show how populations of past organisms were not able to change their characteristics over time

Describe the movement of Earth’s mantle. Explain how convection currents can cause tectonic plates to move.

How might genetically engineered crops help people in harsh climates(15p)

The picture below shows one way that humans and mosquitoes interact.



What is the best classification of this relationship?



A.parasitism

B.competition

C.commensalism

D.mutualism

Think about what abiotic factors giraffes and trees both need to survive. The tree and the giraffe are competing over what factor?

please help
On the date chart above the hight and low tide depths were recorded every coupl days. Looking specially at February 14th what type of tide is occurring? What moon phase would possibly occur on this date ​

True or False. The arrow labeled C represents a transfer of chemical energy to mechanical energy. Explain why this is true or false.

The hypothesis that the continents once formed a single landmass, broke up and drifted to their present location is either:
Pangaea
Evolution
Atomic
Continental Drift

Answer This! Good Luck!

Hi i need help its to much for my brain to think

Chloroplasts Functions:
1. Organizes internal parts of the cell.
2.Cell movements, and structural support.
3.Makes ribosomes.
4.Photosynthesis
which one?.

Cell Wall Functions:
1.Structure and protection
2.Organizes DNA
3.Digests, recycles materials
4.all of the above

What is stopping the moon from flying off in a straight line away from the earth?
A.electromagnetic attraction between the earth and moon
B.electromagnetic attraction between the sun and moon
C.gravitational attraction between the earth and moon
D.gravitational attraction between the sun and moon