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Questions (163,937)
Ruby has observed that plants in her garden vary in height. She wants to investigate whether a plant species (species A) grows
40 answers
asked by
Hi
16,409 views
Balanced Chemical Equations Quick Check?
7 answers
asked by
Anonymous
1,509 views
What conclusion did the researchers from University of California San Diego reach regarding the best type of material to use for
16 answers
asked by
Madi
6,190 views
How would you obtain a sample of a pure iodine from a mixture of iodine and lead (ii) sulphate.
5 answers
asked by
Lexus cotricks
3,122 views
Explain the temperature change upon mixing ethanol and water.
4 answers
asked by
Elcy
339 views
Write an equation for the reaction between the iron filings and dilute tetra oxosulphate (vi) acid
7 answers
asked by
Al Ameen
2,926 views
What happens when a cold spoon is placed in hot soup?(1 point)
Responses The soup’s molecules have more potential energy, so
4 answers
asked by
meli
756 views
An electromagnet is the most powerful type of magnet there is. It is a magnet with a current running through it that can be
5 answers
asked by
Emperor
1,753 views
A warm ocean transfers heat to the air above it. Which type of heat transfer is this?(1 point)
convection conduction*** radiation
50 answers
asked by
prestonplayz
13,368 views
1.Which stages do all stars have in common in their life cycles?
Answer:Protostar&nebula 2.Which of these can a star become at
9 answers
asked by
Star evolution quick check answers
9,134 views
How do the frequencies and the speeds of yellow light and blue light compare?(1 point)
Which of the following is the best answer?
25 answers
asked by
Iwannaknow
1,528 views
A current of 4.5A passed through a gold salt for 1h45min,(a) calculate the mass of gold deposited,(b) calculate the number of
7 answers
asked by
Adewole paul
2,377 views
CAN SOMEONE CHECK MY ANSWERS PLEASE!?
Question 1 A) Use the graph to answer the question. The vertical axis is labeled millions
86 answers
asked by
AlienzManiax
5,152 views
What's in a universe Quick Check. Which types of matter are most abundant in the universe?
7 answers
asked by
yoyoyo
2,531 views
does anyone have the Natural Selection Unit Test answers? i'm on my knees please
7 answers
asked by
leo:]
3,337 views
the heart is composed of how many loops
49 answers
asked by
Elizabeth
35,629 views
The heat capacity of a material shows the amount of heat that can be taken in before the material increases in temperature.
6 answers
asked by
SPAMTON G SPAMTON
1,219 views
Biodiversity is measured by (1 point)
counting the number and variation of different species of plants, animals, and other
44 answers
asked by
Some people are just wrong
2,227 views
Biodiversity unit test... Please can anyone help me with the answers?
40 answers
asked by
zae
6,445 views
Use the equation to complete the activity. 21986 Rn→21584 Po+ Alpha The nuclear equation shows the transmutation of a form of
3 answers
asked by
hatemaths
133 views
Planet Estimated Mass of Planet (1023 kg)
W 6.4 X 3.3 Y 59.7 Z 48.7 On which planet would an object weigh the most? (1 point) on
24 answers
asked by
senpi
17,836 views
Which statement about the number of protons and neutrons in a nuclear change is correct?(1 point)
The total number of neutrons
6 answers
asked by
asdfghjkl
4,075 views
Which statement correctly describes the relationship between thermal energy and particle movement?
As thermal energy increases,
79 answers
asked by
Anonymous
18,154 views
Science fiction movies sometimes take place in space and contain scenes where things explode very loudly and brightly. Why is
10 answers
asked by
Please Help soon
3,006 views
A particular circuit is made up of a battery, a switch, a buzzer, and wires connecting the components. All of the components are
5 answers
asked by
:)
1,970 views
Write a chemical balance equation for tetraoxosulphate 6 acid and sodium hydroxide
7 answers
asked by
Anonymous
3,760 views
5. A student has the following data: V1 = 822 mL, T1 = 75°C and T2 = -25°C. He calculates V2 and gets -274 mL is this value
4 answers
asked by
Evie
4,251 views
Did you find a relationship between changes in pH, surface temperature, water clarity and dead zones?(1 point)
Responses Yes,
1 answer
asked anonymously
154 views
Explain how spectrometer works by drawing a labelled flow diagram showing the main components of spectrometer and briefly state
1 answer
asked anonymously
57 views
Which sensory receptors are involved in hearing?(1 point)
chemoreceptors photoreceptors thermoreceptors mechanoreceptors
41 answers
asked by
someone plz help me
13,512 views
Which statement is true? (1 point)
A. Fossils cannot provide information about life cycles and behaviors. B. Fossils cannot
7 answers
asked by
QueenOfRiverdale
4,205 views
How does the average kinetic energy of the molecules of water compares to the molecules of petrol
3 answers
asked by
Montshisi
164 views
Theories About the Universe Quick Check answers
4 answers
asked by
Someone
1,507 views
What happens when thermal energy is applied to an ice cube
It's water molecules lose kinetic energy so the ice cube melts It's
3 answers
asked by
Hi
368 views
How has scientific understanding about the composition of the universe changed over time? Select the two correct answers.(1
10 answers
asked by
Anonymous
7,188 views
yall know the anwsers to the LESSON 13
Non-Contact Forces Unit Test?? heres the first question Which statement explains how the
67 answers
asked by
HELP WWITH A TEST
4,697 views
Describe the specific attributes of a prism
1 answer
asked anonymously
393 views
Which unit is used to measure force?(1 point)
11 answers
asked by
sebastian chapa
2,898 views
Explain the concept of trophic levels in an ecosystem and how it influences biomass distribution among the different species.
2 answers
asked by
BB
8,871 views
How can a stationary metal sphere have kinetic energy, the energy of motion?
1 answer
asked anonymously
210 views
The main process of excretion takes place in the
(1 point) • stomach. • kidneys. • small intestine. • liver.
9 answers
asked anonymously
208 views
1What is kinetic energy?
ANSWER:the energy of motion 2.A fisherman in a boat is drinking a cup of hot coffee. The large lake
23 answers
asked by
Yikes
8,641 views
Which phrase describes radioactive decay?(1 point)
the triggering of one reaction by the products of another the joining of small
10 answers
asked by
DesperateScienceHelper
4,026 views
What procedure could be used to demonstrate that matter is conserved during a chemical change or reaction?
7 answers
asked by
james
7,330 views
Which of these types of EMR is the most harmful?
A) visible light B) infrared light C) microwaves D) radio waves Visible light
5 answers
asked by
PLS HELP IM STOOPID
1,051 views
On a small island, scientists observed and graphed changes in wolf and moose populations. From 1965 to 1970, which pattern did
4 answers
asked by
mimi
643 views
What is the chemical formula for slime using glue and borax?
3 answers
asked by
Bren
1,106 views
What causes the change within every twenty-four hours from day to night on Earth?
(1 point) Responses Earth's rotation on its
1 answer
asked anonymously
101 views
Which is true about distillation? (1 point)
It uses semipermeable membranes to filter out particles. It removes mainly large
1 answer
asked anonymously
104 views
Which of the following is an internal structure of a plant?
• xylem • leaves • root hairs • buds
24 answers
asked by
two
315 views
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