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
The saturated fats of animals differ from the unsaturated ones of plants. Unsaturated fats have
poizon [28]

Solution;

Unsaturated fats are typically liquid at room temperature. Unsaturated fats come primarily from plant foods, such as nuts and seeds, and. Examples include vegetable oils such as olive, peanut, safflower, sunflower, soybean and corn etc

While,

Saturated fats – which are found in butter, cheese, red meat and other animal-based foods. Decades of sound science has proven it can raise your “bad” cholesterol and put you at higher risk for heart disease.

Thus the saturated fats are differs from the unsaturated fats.

7 0
3 years ago
Explain some of the processes involved in a scientific investigation.
Dominik [7]

Answer:

The steps involves making hypothesis, deriving predictions from the logical consequences and then carrying out experiments based on those predictions.

Explanation:

Step 1: make a observation .

Step 2: Formulate a statement or question.

Step 3: Form  the hypothesis .

Step 4: make a prediction based on the hypothesis.

Step 5: test the hypothesis whether its true or not.

Step 6: use the results to conclude the experiment.

8 0
3 years ago
Read 2 more answers
What is an advantage that exotic species have when introduced to a new habitat
Bumek [7]

Other than contributing to potential increase in diversity of species in an ecosystem, exotic species have positive benefits like removing toxins from the soil, regulating erosion, and controlling undesirable species.

8 0
2 years ago
Name four muscles that are found in the abdominal wall of the cat and the human
Sati [7]
Hii...so the answer is
The four layers are the external oblique, internal oblique, transverse abdominals.
hope u will like it.:)
3 0
3 years ago
How many letters in a codon?<br> Select one:<br> O 5<br> o 6<br> O 3<br> o 4
lesya692 [45]
3 letters in codon :)
6 0
3 years ago
Other questions:
  • In which part of the nephron are sodium and chloride ions actively reabsorbed?
    5·1 answer
  • In science when is a hypothesis useful
    6·1 answer
  • Living matter is at least sixty percent water. It makes sense, then, that cell membranes are made of phospholipids because______
    14·1 answer
  • kmf Of the 40 specimens of bacteria in a dish,3 specimens have a certain trait. If 5 specimens are to be selected from the dish
    8·1 answer
  • Complete the sentence. two positive charges ___________ each other
    12·2 answers
  • What process is used to link amino acids together? Name the bonds found between amino acids in a polypeptide chain? Explain the
    10·1 answer
  • The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms.
    14·1 answer
  • Select a region of the world and explain how its latitude, elevation, geographical
    10·1 answer
  • How do you do these ?
    6·2 answers
  • The gene theory declares that all organisms contain coded information in __________ which dictates the form and function of orga
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!