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
Elenna [48]
3 years ago
7

What is a half-life?

Geography
2 answers:
Fofino [41]3 years ago
6 0
I'd go with option "C"
disa [49]3 years ago
3 0

it is the time taken for the radioactivity of a specified isotope to fall to half its original value.

was it worth it? XD

You might be interested in
......................?
g100num [7]

Answer:

......................?

Explanation:

7 0
3 years ago
How does HIV/AIDS affect the economics of Africa?
GuDViN [60]
In the African countries where HIV/AIDS is a big problem the economies have big problems. People that have it are usually young people, they lack the physical power and the concentration to be effective workers, or they can not work at all, and this affects the economy because the efficiency is very low or non existent from the people that have HIV/AIDS. Also, this means that this people need medical care, an expensive one, and they usually do not have the resources to pay for it, so the governments spend big amounts of money on this as well.
7 0
3 years ago
Select the best answer for the question.
Otrada [13]

Answer:

C. A mudslide caused by excessive rains

Explanation:

Soil erosion is the washing away or the blowing away of the top layer of the soil due to wind or water with the motion nutrient of the soil also washed away with them. This generally occurs due to excess of deforestation or cutting down of trees.  

A mudslide is caused by heavy rain fall, where the gravity of the rainfall conquers the force of soaked soil.  

5 0
4 years ago
Read 2 more answers
What term means a volume of a certain rock type of a specific age
valentinak56 [21]

Hello,

The correct word you are looking for is Geologic Unit

These units describe the rock's age, lithology and thickness. Lithology is the general characteristics of the rock.

- I.A -

3 0
3 years ago
Please help asap is almost due
Nimfa-mama [501]

Answer:

ask a teacher

Explanation:

7 0
3 years ago
Other questions:
  • During the Northern Hemisphere winter, isotherms are ____ those observed in July. a. closer together than b. farther apart than
    13·2 answers
  • In 1979, China passed its "One Child Policy" MAINLY to
    11·2 answers
  • Describe how a valley glacier forms. pls help i cant figure this out thanks.
    7·1 answer
  • PLEASE Hurry!!! The Yangtze River is located in __________.
    11·1 answer
  • How do heavy sediment deposits affect waterways?
    8·2 answers
  • The maquiladoras zone helped create jobs by encouraging development where? A. Mexico City suburbs B. Northern Mexico C. Southern
    11·1 answer
  • Submerged basaltic volcanoes that are higher than 1 km are called
    7·1 answer
  • Which evidence helps scientists understand the physical properties of Earth's internal structure?
    8·1 answer
  • On a map what coordinates are located at o and o
    13·1 answer
  • Kels777 i need help me plz plz plz plz plz
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!