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
DochEvi [55]
3 years ago
7

The tiny exoskeleton of a diatom is composed mostly of calcium carbonate. a. True b. False

Biology
1 answer:
ivann1987 [24]3 years ago
5 0
False. Their exoskeletons are made of silica.
You might be interested in
Efek amfetamin dosisi tinggi bagi pengguna adalah
IgorLugansk [536]
Efek amfetamin dosisis tinggi bagi pengguana adalah meant to be letter C.melemabkan kerja otak dan cpt bosan.
4 0
3 years ago
Help please. Thank you!
zhuklara [117]

Each cell contians 23 pairs of chromosomes

5 0
3 years ago
What is the interrelationship between electrons, neutrons and protons
olga nikolaevna [1]
We consider them to be made of 3 quarks, 'uud' for the proton<span> and 'udd' for the</span>neutron<span> where 'u' is the up quark and 'd' the down quark. ... Now, </span>protons and neutrons<span> are basically found at the atomic nucleus while </span>electrons<span> form the shell of the atom, moving around the nucleus.</span>
6 0
3 years ago
Why is the question of whether the injuries came from a stone or steel weapon important? How could scientists distinguish betwee
Papessa [141]

It is important in determining whether injuries/death was an accident or purposeful, and if purposeful, who, how and why did someone do it. They determine the weapon through the ligature marks left, the shape, force and impact of the injury, the location of the injury, and by analysing any fragments and trace evidence left on the wound

4 0
3 years ago
Four different segments of a DNA molecule are represented below
ElenaW [278]

Answer:

FALSE ** is the correct answer

Explanation:

Even though it’s stated that a DNA molecule is being represented beolow.... if you look closely enough you can see how no such representation exists, therefore making the answer false.

8 0
2 years ago
Read 2 more answers
Other questions:
  • Which pair of terms correctly completes the diagram with (a) before spores and (B) after Spores
    6·1 answer
  • Which statement is true about nitrogen and oxygen?
    6·2 answers
  • Reptiles and birds are divided into two classes, reptilia and aves.Give an example of a fossil evidence that would be the BEST s
    14·1 answer
  • What type of organic molecule is bromelain/gelatin? 10 POINTS!? What type of organic molecule is bromelain?
    12·1 answer
  • Riparian zones are important to the natural environment because they _______
    10·2 answers
  • Based on your investigation, what challenges do scientists face when classifying a new fossil?
    5·1 answer
  • Do butterfly get food by eating other organisms
    8·2 answers
  • Help please A carpenter feels warmer as the sun rises higher in the sky. Infer which energy transformation may be happening.
    11·1 answer
  • What is the difference between a hypothesis and a theory?
    7·2 answers
  • What do the letters represent? (this is about the chesapeake bay watershed)
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!