subject

Biology, 03.02.2020 01:43 kissyalexen

If 50% of a radioactive element remains after 4000 years, what is its half life

ansver

Answers: 2

Show answers

Another question on Biology

question

Biology, 21.06.2019 21:00

Amylase is an enzyme found in the human digestive system. why do you think it was important to keep the enzyme temperature about 37 degrees celsius (98.6 degrees f)? describe what might happened the temperature decreased by 10 degrees celsius.

Answers: 3

question

Biology, 21.06.2019 21:10

Buuy which of the following did you include in your response? organs perform specific functions in the body to keep it alive. organelles perform specific functions in cells to keep them alive. done

Answers: 1

question

Biology, 22.06.2019 04:00

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms

Answers: 1

question

Biology, 22.06.2019 13:00

Jason puts an apple on top of an ice pack in his lunch bag lunch time the temperature of the apple has decreased what happens to the molecules in the apple when the temperature of the apple decreases

Answers: 1

You know the right answer?

If 50% of a radioactive element remains after 4000 years, what is its half life...

Questions

question

Mathematics, 27.08.2019 01:40

Its sad when you can get faster on twitter than on pa. all i did was #math...

question

Mathematics, 27.08.2019 01:40

Kamisha is a traveling sales person. in two months, she traveled eighty hundred miles . how many thousands of miles did kamisha travel?...

question

Computers and Technology, 27.08.2019 01:40

6. which of following allows you to preview a presentation?...

question

English, 27.08.2019 01:40

6. (1 pt) which word in the sentence is the direct object? then we picked the ripe peaches from the sagging branches. a. peaches b. sagging c. branch...

question

Mathematics, 27.08.2019 01:40

In order for polygons to tessellate, the total number of degrees where the vertices meet must be 360 degrees?...

question

Mathematics, 27.08.2019 01:40

prove the pythagorean theorem using similar triangles. the pythagorean theorem states that in a right triangle, the sum of the squares of the lengths...

question

Mathematics, 27.08.2019 01:40

Iwill upvote< 3 what is w(4) for the function w(x)=3x+7? a. 41 b. 19 c. 14 d. 33...

question

History, 27.08.2019 01:40

What are three factors that contributed to the rise of fascism in germany....

question

Mathematics, 27.08.2019 01:40

Tan theta = 15/8 find sin theta find cos theta...

question

Mathematics, 27.08.2019 01:40

Give an example of thailands abundance of animal life...

question

Mathematics, 27.08.2019 01:40

What are some complex fractions with unknown numbers...

question

Chemistry, 27.08.2019 01:40

Alarge body in space that orbits a star and does not produce light of its own...

question

English, 27.08.2019 01:40

Which of these quotations from the poem contains a coordinating conjunction? a. “and sometimes they sacrificed to the old stone gods,” b....

question

Business, 27.08.2019 01:40

Several south asian countries have experienced a shortfall in births. in addition, a of the children in chinese orphanages are girls....

question

Biology, 27.08.2019 01:40

Is the following true or false? both water droplets and solid particles are suspended in the atmosphere....

question

History, 27.08.2019 01:40

The duties of the bank of the unites states did not include which of the following? a. collecting taxes c. holding government funds b. confiscating p...

question

Mathematics, 27.08.2019 01:40

Car that wants to have enough trying to feed 24 people i mean how much truck you should he die if he wants to have enough for each person to have betw...

question

History, 27.08.2019 01:40

Smith, a candidate running against the current senator, says, "the senator has voted against health care. she is not in line with the principles of ou...

question

Mathematics, 27.08.2019 01:40

Statistics that are used to draw conclusions about larger groups are called...

question

English, 27.08.2019 01:40

Early western movies invariably pictured the hero in a white hat and the villain in a black one. which archetype were the movie makers using? ...

More questions: Biology Another questions

Questions on the website: 13722360