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
Ede4ka [16]
3 years ago
13

How does a hydrometer work?

Biology
1 answer:
bija089 [108]3 years ago
5 0
A hydrometer is an instrument that measures the specific gravity (relative density) of liquids. The ratio of the density of the liquid to the density of water. A hydrometer is usually made of glass, and consists of a cylindrical stem and a bulb weighted with mercury or lead shot to make it float
You might be interested in
Gametogenesis is that mitosis or meiosis
schepotkina [342]
Meiosis because it is the process of gamete formation, which is gametogenesis
8 0
3 years ago
Read 2 more answers
How remote sensing works and why it is important in cartography
AleksandrR [38]

Advanced technologies like remote sensing have modified the way by which maps are constructed. Remote sensing is the procedure of collecting information about Earth with the help of instruments mounted on airplanes, satellites, or ships.  

Remote sensing helps in monitoring and detecting the physical features of a region by determining its emitted and reflected radiation at a distance from the targeted region. Unique or specialized camera gather remotely sensed pictures of the Earth that assists the researchers in sensing the things about the Earth.  


5 0
3 years ago
Are dominant or common traits better than recessive or uncommon traits? Explain your answer
irina1246 [14]
Recessive because If one of your parents has it, you have a small chance of getting it too. 
5 0
3 years ago
What is a description of cancer?
Natali [406]

Cancer: An abnormal growth of cells which tend to proliferate in an uncontrolled way and, in some cases, to metastasize (spread). Cancer is not one disease. It is a group of more than 100 different and distinctive diseases. Cancer can involve any tissue of the body and have many different forms in each body area.


im pretty  sure   it is the first one


7 0
3 years ago
Read 2 more answers
How do plants use nitrogen?
antoniya [11.8K]

Answer:

Nitrogen is so vital because it is a major component of chlorophyll, the compound by which plants use sunlight energy to produce sugars from water and carbon dioxide (i.e., photosynthesis). It is also a major component of amino acids, the building blocks of proteins. Without proteins, plants wither and die.

5 0
3 years ago
Other questions:
  • What are the 3 types of variables ?
    10·2 answers
  • What are neurotransmitters? What neurotransmitters are associated with depression? Schizophrenia? Pain reduction? Parkinson’s di
    11·1 answer
  • Which best explains how thermal energy is transferred when someone holds a hand above a fire?
    14·2 answers
  • What type of RNA is a major component of the structure at which protein synthesis occurs?
    6·2 answers
  • What cell is this? <br><br><br> Year 9
    8·2 answers
  • Which of the following is an example of industrial water use?
    15·2 answers
  • In humans, brown eyes (B) are dominant, and blue eyes are recessive (b). If a homozygous dominant male is crossed with a heteroz
    9·1 answer
  • Help pleasee | Wildflowers depend on honeybees to reproduce successfully. How do honeybees help wildflowers reproduce? No links!
    13·2 answers
  • Why should you not exercise right after a meal?
    5·2 answers
  • Attitudes are _____ that guide behavior .
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!