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Science
Page 9
Questions (162,839)
Compared to wave A, wave B has a _____.
(1 point) Responses longer wavelength and greater frequency longer wavelength and greater
2 answers
asked by
your boy
69 views
Which statement best expresses the thesis of the article?
Question 2 options: Small amphibians and mammals play a vital role in
1 answer
asked anonymously
161 views
Which of the following describes the relationship between population growth and the underground water supply?(1 point)
Responses
1 answer
asked anonymously
59 views
Label each of the following as a correct or incorrect notation for this genus and species.(1 point)
Correct Incorrect Homo
3 answers
asked anonymously
128 views
How does adding a resistor to an electric circuit affect the current?(1 point)
Responses The resistor increases the current by
1 answer
asked anonymously
58 views
Use the equation to complete the activity.
21986 Rn + Beta→21985 As The nuclear equation shows a form of radon into astatine
3 answers
asked anonymously
78 views
Have you ever noticed that adults like the taste of some bitter foods that adolescents just cannot tolerate the taste of? Things
1 answer
asked anonymously
62 views
Compare and contrast the advantages and disadvantages of selective breeding versus genetic modification. Why might a person
1 answer
asked anonymously
60 views
What happened to the average surface temperature of the water from 1990 to 2005 to 2015?(1 point)
Responses It decreased then
1 answer
asked anonymously
44 views
During chemical reactions, bonds between atoms break and form. What does this mean in terms of subatomic particles?
A. Electrical
1 answer
asked by
Jeepers
170 views
An aircraft flies at an altitude of 30,000 feet. Determine the air temperature (in [K]), air pressure (in [Pa]) and air density
6 answers
asked by
sam
4,275 views
Which circuit will stop producing light if one bulb burns out?
a Circuit 1 b Circuit 2 c Circuit 3 d Circuit 4
1 answer
asked by
kali
163 views
What causes the difference in the amount of sun's heat energy received by the North pole and the equator?(1 point)
the rotation
22 answers
asked by
that kid
5,262 views
Hal makes an electromagnet with a 9-volt battery, wire, and a steel rod. What is the function of electric current in his
5 answers
asked by
meli
681 views
Crude oil was formed millions of years ago from the remains of living things. Where is crude oil found today?
O inside living
4 answers
asked by
Empty room
437 views
which scenario best describes a scientist who is studying thermal energy
she works on a team ,with each member carrying out all
7 answers
asked by
!
712 views
What is a specific example of competitive advantage exhibited by Darwin’s finches?(1 point)
1 answer
asked anonymously
150 views
What is moss classified as?
3 answers
asked by
MrDemon
452 views
A student is investigating magnetic fields. The student places four different objects near identical magnets and observes what
1 answer
asked by
A
292 views
A continental polar air mass moves into an area. Based on the characteristics of this type of air mass, which changes are most
46 answers
asked by
Chelsea
13,234 views
For many years pellagra was believed to be an infectious disease promoted by unsanitary conditions. it was common in sanatoriums
6 answers
asked by
**anon**
2,296 views
A piece of wood float on water and sinks in a methylated spirits .if the density of the wood is 0.8g/cm,explain why it would
12 answers
asked by
Raymond
4,655 views
The hydrostatic equation holds not just for air, but for other fluids such as water (air, though it is a gas, is often referred
5 answers
asked by
muh_ghgh
2,841 views
Explain briefly how pure dry crystals of calcium chloride could be obtained from a solution of calcium chloride.
10 answers
asked by
Assan Joof
2,236 views
Which types of baryonic matter are most abundant in the universe? Select the two correct answers.
A) helium C) hydrogen According
3 answers
asked by
Answer goddess
574 views
If a gas in a closed container is pressurized from 12 atm to 25 atm and tis original temperature was 32 degrees C, what would
4 answers
asked by
Anonymous
1,339 views
When you are a baby, your bones begin as what type of tissue?
a. cartilage (MY ANSWER) b. cells c. ligaments d. muscle
15 answers
asked by
LOVE
3,454 views
How do simple machines make work easier?(1 point)
1.They decrease the distance needed between a person and an object, allowing
6 answers
asked by
wha
1,376 views
Which statement describes a chemical reaction at equilibrium?
A. The forward reaction happens slightly faster than the reverse
13 answers
asked by
emma
9,741 views
Astronomers measure large distances in light-years. One light-year is the distance that light can travel in one year, or
10 answers
asked by
Justus
8,401 views
From XNH3+YO2=ZNO+QH2O. find the value of Z?
10 answers
asked by
Chelly
3,404 views
Calculate the current that must be passed into a solution of aluminium salt for 30mins in order to deposit 1.5g of aluminium
6 answers
asked by
Janet
2,397 views
A direct-current power supply of low voltage (less than 10 volts) has lost the markings that indicate which
output terminal is
5 answers
asked by
Confused
3,850 views
Why is the second derivative of a titration curve more accurate method to determine endpoints and equivalence points than the
4 answers
asked by
tevon
8,671 views
An orange contains 445 kJ of energy. What mass of water could this same amount of energy raise from 25.0 degrees C to the
5 answers
asked by
Anonymous
3,314 views
Given the following acid dissociation constants, which acid has the strongest conjugate base?
a. HCN Ka = 6.2 x 10-10 b. HOCl Ka
5 answers
asked by
Christine
2,185 views
a food company reduced the amount of salt in one of their food products 700 milligrams to 630 milligrams . what is the percent
5 answers
asked by
mina👽
2,258 views
A moon rock collected by a U.S. Apollo mission is estimated to be 4.50 billion years old by uranium/lead dating. Assuming that
5 answers
asked by
alice
4,234 views
does anyone have the answers for Calculating mass quick check?
1. Which option correctly describes the reactants and products of
10 answers
asked by
Anonymous
6,420 views
Two identical cars
approach an intersection at the same speed at the same time as shown in the diagram. Car A takes a left turn
4 answers
asked by
james
1,324 views
A shower uses about 2 ½ gallons of water per minute. About how many quarts of water are used in 10 min
5 answers
asked by
saleem sadiq
778 views
How is an echo formed?
3 answers
asked by
Need to know
244 views
Calculate the pH and the poH 0.0035moldm-3 H3 PO4 solution
3 answers
asked by
Ayomide
417 views
Drag and drop the words into the correct locations.(2 points)
Put responses in the correct input to answer the question. Select a
3 answers
asked by
Jordyn
322 views
Which of the following is an accurate description of cosmic microwave background (CMB) radiation? (1 point)
Responses A. CMB
3 answers
asked by
wig
79 views
Use the sentence to complete the activity.
Be careful when lighting a match in the science lab— there are flammable liquids in
3 answers
asked anonymously
115 views
Drag each item to indicate whether it is a characteristic of dark matter or baryonic matter.(2 points)
Put responses in the
3 answers
asked by
billy bob joe
114 views
A student investigated the effect of root space on plant growth. The student grew two groups of plants of the same variety. Both
1 answer
asked by
TEEZY
256 views
Two students hold the ends of a jump rope. One student moves the jump rope up and down, making a wave. Then, the student moves
3 answers
asked anonymously
260 views
Which is true of the offspring of plants that reproduce sexually?
They may be unable to reproduce They may be of different
5 answers
asked anonymously
152 views
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