3,339 Answered Questions for the topic Science

02/01/15

True or False. If it's false put the correct one.....Science

The word in parentheses is the only word u can change if false.   The (protein) chains act as identification cards on the plasma membrane, identifying the cell as belonging to the organism.
Science Math

01/29/15

what is eight plus six equal

what is eight plus six equal 
Science

01/28/15

Ineed a sub-topic for the subject dreams

I'm doing a research report on dreams and I need two more sub-topics about dreams, please help me.

01/26/15

Field of View, please help! I am confused!

1. Explain how the depth of field changed the magnification increased.   2. At what magnification do you have the smallest field of view?    3. Was there a difference in the depth of field with... more
Science

01/22/15

litmus paper

when using litmus paper, if you dip a blue strip into a base what color will it turn?  

01/22/15

How do the seasons change based on your location on earth?

How do the seasons change based on your location on earth?
Science

01/15/15

how many cans of soda would be lethal?

If the caffeine concentration in a particular brand of soda is 2.77 mg/oz, drinking how many cans of soda would be lethal? Assume 10.0 grams of caffeine is a lethal dose, and there are 12 oz in a can. more
Science

01/09/15

whicg part of the brain helps you study for a test

i whant to know stuf about sience
Science

01/05/15

Haystack rock

How does the location of Haystack rock help to explain why it is made of basalt 
Science

01/05/15

Uluru rock

what type of rock is a Uluru in the Northern Territory of Australia and how is that type of rock formed?
Science

01/04/15

decribe the cause of similar genes in slugs and crabs

describe the cause of similar genes in a slug and a crab
Science

12/16/14

DESCRIBE and EXPLAIN what scientists can learn from radioactive dating.

PLEASE HELP ME!
Science

12/16/14

How unconformities and folding can alter/change the order of rock layers?

This is for a study guide. And this is probably one question that I am having trouble with so far. Please help me if you can. Thanks
Science

12/09/14

a mixture can be classified as a solution suspension or colloid based on the?

whats the answer I need to know
Science

12/08/14

When consumed the amount of energy costumes need to change if increased amount of physical activities by an hour per day.

This is science homework btw.
Science

12/03/14

How are the pictures of the constellation Orion different

seeing what astronomers see is the under student journal 
Science

12/03/14

A certain wave has a wavelength of 35 meters and a frequency of 4.0 Hz. What is the speed of the wave?

A certain wave has a wavelength of 35 meters and a frequency of 4.0 Hz. What is the speed of the wave?

11/30/14

Doing a science fair experiment on the effectiveness of disinfectant wipes with bacteria growth in petri dishes, what is the Variables?

Doing a science fair experiment on the effectiveness of disinfectant wipes with bacteria growth in petri dishes, what is the Variables?
Science

11/28/14

What is the weight of an 67 kg cart on earth and on the moon?

What is the weight of an 67 kg cart on earth and on the moon?
Science

11/25/14

Why is the poliovirus in places with poor sanitation and heatlh? Eg Pakistan

I have noticed that the poliovirus is only in countries with poor sanitation. Why do these viruses live in such places? Please give descriptive sciene knowledge. Why is the Poliovirus in some... more
Science

11/24/14

i need help in balancing chemical equations

my teacher signed us a homework project its is in balancing chemical equation. if you can comment i will tell you the question
Science

11/24/14

precipitation in the tundra and rainforest

How does the amount of precipitation in tropical rain forest and in the tundra affect how many different species live in a given ecosystem?
Science

11/24/14

Flounders are flat bodied fish. Would they be adapted to live in the head waters of a river? Please explain

Flounders are flat bodied fish. Would they be adapted to live in the headwaters of a river? Please explain
Science Math Chemistry

11/18/14

I have a question about chemistry

Sulfur trioxide, SO3, is made industrially in enormous quantities by combining oxygen and sulfur dioxide, SO2. The trioxide is not usually isolated but is converted to sulfuric acid.If you have... more

11/18/14

A Question about Chemistry

Calculate each of the following   (a) moles of compound in 0.510 g ammonium bromide_____ mol (b) number of potassium ions in 59.8 g potassium nitrate_____ ions (c) mass in grams of 6.02 mol... more

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