1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
julsineya [31]
3 years ago
9

The only type of investigation that involves a control group is

Physics
2 answers:
OleMash [197]3 years ago
4 0
<span>experimental? I hope that helps :)</span>
frez [133]3 years ago
3 0
An experimental one. Hope this helped.
You might be interested in
The movement of water between the atmosphere, land, oceans, and even living things makes up the water cycle. Precipitation is on
Anna [14]

I have no idea

Explanation:

4 0
3 years ago
Evaluate the expression a+b when a=23 and b=45 . Write in simplest form
Viefleur [7K]
If a = 23 and b = 45

a + b = ?

23 + 45 = 68
6 0
3 years ago
Currently, the Sun is thought to be located in the galactic _____________ about ____________ the center of the galaxy.
Ede4ka [16]

Answer:

a. Disk, 28 thousand light-years from

Explanation:

Since, a galactic disc is a component of disc galaxies, for instance spiral galaxies and lenticular galaxies. It consists of a stellar component and a gaseous component.

Also, the Sun lies within the galactic disk or in other words it is thought to be located in the galactic disk,

The Sun is located about 26,000 light-years away from the centre of the galaxy.

∵ From the given options 28,000 is nearest to 26,000

Hence, the sun is about 28 thousand light-years from the centre of the galaxy.

i.e. OPTION 'a' would be correct.

8 0
3 years ago
The sunlight hits the surface of a lake this will like caused
ziro4ka [17]
A). No. Condensation happens when you take heat out of a gas.

b). No.  I'm not sure what transpiration is.

<u>c). Yes.</u> Evaporation happens when you add heat to a liquid.

d). No.  Sublimation sometimes happens when you add heat to a solid.
3 0
3 years ago
Read 2 more answers
Nicolaus Copernicus was a Polish astronomer who is best known for the theory that the sun is near the center of the universe and
abruzzese [7]

Answer:B) It was not understood by scientific world.

Explanation:

4 0
2 years ago
Other questions:
  • The Sierra Nevadas are an example of a fault-block mountain range. Based on this information, which of the following processes f
    10·2 answers
  • A block of lead has dimensions of 4.50cm by 5.20cm by 6.00cm. The block weighs 1587g. From this information, calculate the densi
    5·1 answer
  • 14.
    9·1 answer
  • Describe how to properly measure the volume of a liquid?
    8·1 answer
  • Suppose a proton moves to the right and enters a uniform magnetic field into the page. It follows trajectory B with radius rp. A
    12·1 answer
  • A flat square plate of side 20cm moves over other similar plate with a thin layer of 0.4cm of a liquid between them with force 1
    15·1 answer
  • imagine you are a teacher of a science class. a student brings in a newspaper article that claims the world will run out of ener
    13·1 answer
  • What is the value of the net electrostatic force on (a) particle 1 and (b) particle 2 due to the other particles
    8·1 answer
  • A bus traveled down Interstate 35 at a speed of 75 km/h for 4 hours. How many kilometers was the bus speeding?
    7·1 answer
  • Pls help i am in8th grade k12
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!