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
algol [13]
3 years ago
13

A diatom has a cell wall made of _____. calcium chitin silica cellulose

Biology
2 answers:
Drupady [299]3 years ago
6 0
<span>selica is what the cell wall is made of 

</span>
Dahasolnce [82]3 years ago
5 0
Secila is the correct answer i hope this helps
You might be interested in
Which of the following is the largest particle in soil? A-clay B-sand C-silt D-humus
Akimi4 [234]

Well the soil classification is usually done on the basis of particle sizes and composition of soil.

<span>Clay </span>usually consists of particles less than 0.075 mm in size. It is a sticky soil and shows great changes in volume with variation in its water contact. It also shows considerable strength when air dried.

<span>Silt </span>has larger particles than clay and are mainly inorganic in nature. The particle size is less than 0.075mm and exhibits slightly plastic or non plastic behaviour.

Humus is soil consisting of dead and decaying organic matter. It is mainly organic in content but some inorganic particles may be mixed in it. The top soil in a tropical forest may be considered as humus.

7 0
3 years ago
Is a compound considered s pure substance
german

Answer:

no

Explanation:

a compound has 2 or more substances.and can be broken down.

a pure substance can't be broken down any further

4 0
3 years ago
Read 2 more answers
Which human activity does not affect the earth system?
ser-zykov [4K]
Converting solar energy does not affect the earth system
5 0
4 years ago
Read 2 more answers
Which is an example of selective breeding?
adelina 88 [10]

Answer:

i think its e

Explanation:

6 0
3 years ago
According to the theory of natural selection, which of the following organisms is most likely to survive in the given environmen
Lelechka [254]
B, a lizard that exhibits the same col<span>oration as its surrounding plant life.</span>
6 0
3 years ago
Other questions:
  • I Need Help With Number 7 8 9 &amp; 10
    6·1 answer
  • For this assessment, you will write a short story.
    9·1 answer
  • Describe how enzymes affect chemical reactions and explain why this makes enzymes important to living thing.
    11·2 answers
  • How are photosynthesis and cellular respiration related?
    15·1 answer
  • What is the difference between good ‘seeing’ and good ‘transparency’? Give one condition for each.
    12·1 answer
  • What is the measurement of the velocity of moving particles the Doppler effect is based<br> on?
    8·1 answer
  • How is the moon illuminated?
    10·1 answer
  • HELP!!!! 50PTS!!!!!
    5·1 answer
  • Which statement describes the ability of the cell membrane to allow various substance to move through it?
    14·1 answer
  • Amino acids are the building blocks of which macromolecule?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!