This topic contains a solution. Click here to go to the answer

Author Question: What elemental compound comprises up to 95 of the mass of a diatom's cell wall? a. silica (SiO2) ... (Read 99 times)

JGIBBSON

  • Hero Member
  • *****
  • Posts: 538

What elemental compound comprises up to 95 of the mass of a diatom's cell wall?
  a. silica (SiO2)
  b. calcium carbonate
  c. magnesium carbonate
  d. calcium sulfate
  e. sodium bicarbonate



Question 2

Which plankton group operates at one of the most efficient energy conversion rates known?
  a. coccolithophores
  b. dinoflagellates
  c. cyanobacteria
  d. diatoms


  e. zooplankton



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

GCabra

  • Sr. Member
  • ****
  • Posts: 331
Answer to Question 1

a

Answer to Question 2

d




JGIBBSON

  • Member
  • Posts: 538
Reply 2 on: Aug 22, 2018
Wow, this really help


triiciiaa

  • Member
  • Posts: 349
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

For a complete list of videos, visit our video library