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
Musya8 [376]
3 years ago
7

BRAINLIEST AND 100 POINTS FIRST ANSWER GETS BRAINLIEST!!!

Biology
2 answers:
nexus9112 [7]3 years ago
7 0

Answer:

Half-Life is the time for a substance (U-235 in this case) to decay to 1/2 its original mass.

Since the problem is asking for the time for U-235 to decay to 1/2 its original mass (100 grams to 50 grams) then the decay time is 1 half-life, or 700 million years.

hope it helps u kindly mark as brainliest...

horrorfan [7]3 years ago
6 0

Answer:

A stone artifact that formed 700 million years ago

Explanation:

By the details it is said that Uranium-235 was 700 million years old, so it would make sense for it to be stone since it is stone like.

You might be interested in
Only small amounts of enzymes are required for reactions within cells because enzymes are______
dem82 [27]

-Hello There-

Great Question! The Answer To This Question Would Be "B"

Have A Great Day!

4 0
3 years ago
Read 2 more answers
What class of rock is basalt?
Georgia [21]
It a rock form from extrusive rock such as the follow of lava
3 0
3 years ago
PLEASE explain how negative feedback helps the body maintain homeostasis
ryzh [129]
This response helps decrease body temperature. Another example of negative feedback has to do with blood glucose levels. ... If a raise in body temperature (stimulus) is detected (receptor), a signal will cause the brain to maintain homeostasis (response).
7 0
3 years ago
Which is true of the role of carbohydrates in photosynthesis and cellular respiration
storchak [24]

Carbohydrates will turn into a form of energy to provide them energy to function.

8 0
3 years ago
Read 2 more answers
If an area has all the wolves that it can support, the wolf population has reached its ______?
scoray [572]
The wolf population  in that area has reached its carrying capacity. 
5 0
3 years ago
Other questions:
  • Sara and Juan conducted an experiment to test which soil would be BEST for growing plants. They used sand, silt, and clay. They
    6·1 answer
  • Describe Dr. Vellend's unifying theory of ecological communities (the factors that determine community structure). Where do conc
    14·1 answer
  • So it’s been a while since I have done anything like this and I need help
    12·1 answer
  • Which theory of how evolution occurs would argue that all of the oak species in Georgia appeared suddenly from one common ancest
    11·2 answers
  • Hereditary retinoblastoma is an autosomal dominant hereditary cancer. Cells from retinal tumors in a child who has this disease
    8·1 answer
  • At what pint in the cell cycle do cells begin to divide uncontrollably
    5·1 answer
  • HELPPPPPPPP!!!! what is a mutation that a polar bear can have to help conserve energy and how do genetic mutations relate to chr
    8·1 answer
  • ¿Qué entiende por hábitos saludables?
    10·1 answer
  • Which of the following statements about fluid pressure is correct?
    10·2 answers
  • Which statement is true?(30 Points)
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!