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

Author Question: A block of wood that weighs 10. g is immersed in water. The total amount of water displaced is 12 ... (Read 135 times)

WWatsford

  • Hero Member
  • *****
  • Posts: 539
    • Biology Forums!
A block of wood that weighs 10. g is immersed in water. The total amount of water displaced is 12 mL. What is the density of the block of wood?
 
  A) 0.83 g/mL
  B) 1.2 g/mL
  C) 0.83 mL/g
  D) 12 g/10 mL
  E) 120 g/mL

Question 2

How does a neuron maintain an electric potential difference across its membrane?
 
  A) Neurons pump potassium ions across the cell membrane.
  B) Neurons activate the synaptic terminals by means of an impulse phase which reverses the electric potential.
  C) Neurons eject sodium ions from their inner hollow channels priming itself for an impulse.
  D) Neurons rely on the synaptic terminals to supply the electric potential.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mjbamaung

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

A

Answer to Question 2

C




WWatsford

  • Member
  • Posts: 539
Reply 2 on: Aug 27, 2018
YES! Correct, THANKS for helping me on my review


jojobee318

  • Member
  • Posts: 298
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

For a complete list of videos, visit our video library