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
lesya692 [45]
3 years ago
13

The number of atoms before a reaction is ________ the number of atoms after the reaction.

Biology
1 answer:
nevsk [136]3 years ago
7 0
Matter cannot be created or destroyed. this means that the number of atoms before the reaction has to equal the number of atoms after the reaction.
You might be interested in
Researchers studying a species of endangered bird were interested in whether a relationship exists between the number of eggs la
koban [17]

Answer: The x-axis has mother bird and the y-axis has chicks

Explanation:

The researchers studying the relationship between the number of eggs which is laid by the birds and the number of chicks which is surviving at the end of the year.

The researchers will make a graph between these two factors. One is eggs laid and the number of chicks that survived till the year last.

This will help to known of the proportion of the chicks which survived on an average.  

5 0
3 years ago
Among coelomates, which of these develops by spiral cleavage and the mouth forms before the anus
nekit [7.7K]

Answer:

Protosomes

Explanation:

Protosome is a multicellular organism whose mouth grows before the anus from a primary embryonic opening which includesphyla mollusk, arthropod or annelid. Protosomes are developed by  spiral cleavage during embryo development.

Protosome animals have bilateral symmetry and three germ layers. Some of the examples of protostomes are snails and slugs (mollusk), earthworms (annelids), and spiders, lobsters, barnacles (arthropods).

Hence, the correct answer is Protosomes .

8 0
3 years ago
WILL GIVE BRAINLIEST IF CORRECT <br> What is cell differentiation? Give one example?
gogolik [260]

Answer:

The difference is the shape and the jobs of the cell for example the white blood cell kills bad germs and sometimes helps scabs form and the red blood cell is to give oxygen to the body

3 0
2 years ago
Read 2 more answers
The main purpose of cell respiration is to:
yan [13]

Answer:

The main purpose of cell respiration is to:

b. convert the chemical energy in sugars into ATP

5 0
3 years ago
Read 2 more answers
Resumen de la teoria del origen de la vida
slavikrds [6]

Answer:

can you tell question in English your launguage I can't understand

4 0
2 years ago
Other questions:
  • Differing amounts of solar radiation across earths latitude affects the ocean ____?
    11·1 answer
  • Which type of skin cancer is the least deadli?
    12·1 answer
  • How much bigger is cares compared to the next biggest asteroid vesta?
    14·2 answers
  • from a chemical perspective the words molecule and compound can be used interchangeably. True or False
    14·1 answer
  • The suns energy is classified by the
    6·2 answers
  • Living organisms contain unique chemical elements which are not found in other living elements. True or false
    9·1 answer
  • What is the relationship between force, mass, and motion?
    9·1 answer
  • The human brain communicates with the rest of the body through networks of what?
    6·2 answers
  • Is Neptune’s volume more than 100 times as large as earth
    8·2 answers
  • synapse that increases in effectiveness because of simultaneous activity in the presynaptic and postsynaptic neurons.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!