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
melamori03 [73]
3 years ago
8

Can somebody help ?!!!!

Biology
1 answer:
Lena [83]3 years ago
8 0

Answer:

speed=distance÷time

2m/s,1.5m/s,1.25m/s,0.5m/s

Explanation:

speed=distance÷time

20/10=2m/s

30/20=1.5m/s

50/40=1.25m/s

30/60=0.5m/s

You might be interested in
Red -green color blindness is an x linked recessive disorder . Since normal vision is dominant, it is typically represented as x
Oduvanchick [21]

Answer:

          x         y

x8     x8x     x8y

x8      x8x     x8y

The results of the punnet square show that:

They will not have a son who will be colour blind.

They will not have a daughter who is colour blind.

All the daughters born will be carriers of red- green colour blindness.

The genotype of the two parents will be:

Genotype of mother: x8,x8

Genotype of father: x, Y

5 0
3 years ago
How can you tell the difference between a physical and a chemical property? (in your own words)
AleksAgata [21]

Answer:

A physical property is any property that is measurable, whose value describes a state of a physical system. The changes in the physical properties of a system can be used to describe its changes between momentary states. Physical properties are often referred to as observables. They are not modal properties

A chemical property is any of a material's properties that becomes evident during, or after, a chemical reaction; that is, any quality that can be established only by changing a substance's chemical identity

Explanation:

8 0
3 years ago
Which statement best explains why the overall charge on an atom is zero? The positive charge of the neutrons in the nucleus equa
Burka [1]

B) The positive charge of the protons in the nucleus equals the negative charge in the electron cloud.

(I just took the test and it was right). :)

3 0
4 years ago
Q. Which of the following are true concerning living things? Check all that apply. (2 pts)
adoni [48]

Answer:

Explanation:

Answer: 2 They are composed of molecules that contain carbon-carbon bonds.  

3. They undergo chemical reactions to use energy they acquire from the environment.  

Living things includes all the organisms that display features which make them distinct from non-living organisms. The living organisms  have an organized structure, they are composed of cells, they require energy to survive or sustain existence, they are able to reproduce and they exhibit ability to grow.

They are composed of molecules that contain carbon-carbon bonds: Carbon is the main component present in all living things. They make up the organic biomass of these living organisms.

They undergo chemical reactions to use energy they acquire from the environment: The plants traps sunlight energy and converts it into food and lastly into chemical energy in the form of ATP. This ATP is used as a energy reservoir for metabolic processes occurring in the plants. Therefore, energy is generated after chemical reactions.

6 0
3 years ago
PLEASE HELP ASAP
dezoksy [38]

c-nearly 4 billion years


3 0
3 years ago
Other questions:
  • 2) How dose the gradient of the stream effect the velocity?
    9·1 answer
  • Which describes the basis of an immunoassay
    8·1 answer
  • Please answer! Earth science.
    9·1 answer
  • Two identical masses are moving down a slope. One mass is traveling twice as fast as the other mass. how does the kinetic energy
    5·2 answers
  • A gene has a base sequence of AGC. Due to a mutation, the base sequence changes to AGG.
    15·1 answer
  • What is the other product of photosynthesis? A Water B Glucose C Carbon Dioxide D
    11·2 answers
  • Which of the following is not an approach to check the reliability of a test
    7·1 answer
  • Flow
    14·1 answer
  • What part of the reproductive cycle is a virulent virus in?
    10·1 answer
  • What is a function of cardial muscle​
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!