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
ale4655 [162]
3 years ago
9

Soil shows what evidence of life

Chemistry
1 answer:
Masja [62]3 years ago
5 0

oils are complex mixtures of minerals, water, air, organic matter, and countless organisms that are the decaying remains of once-living things. It forms at the surface of land – it is the “skin of the earth.” Soil is capable of sup- porting plant life and is vital to life on earth.

You might be interested in
What is definition "scientific question"?
Lemur [1.5K]

Answer:

A scientific question is basically a question that can lead to a hypothesis to help us figure out the observation in science. I hope this helps you

4 0
2 years ago
Read 2 more answers
In solids, the particles of matter are not in constant motion.
Vsevolod [243]
True because in a solid particles dont move so it wouldn't be in a constant motion. 
5 0
3 years ago
Read 2 more answers
Please help me with
kkurt [141]

Answer:

which one?

Explanation:

5 0
2 years ago
Boron has two isotopes, Boron 10 which has a mass of 10.0129 amu and Boron-11 with a mass of 11.0093 amu. B-10 occurs 84.74% of
podryga [215]

The average atomic mass of Boron: 10.431 amu

<h3>Further explanation   </h3>

Isotopes are atoms whose no-atom has the same number of protons while still having a different number of neutrons.  

So Isotopes are elements that have the same Atomic Number (Proton)  

Atomic mass is the average atomic mass of all its isotopes  

In determining the mass of an atom, as a standard is the mass of 1 carbon-12 atom whose mass is 12 amu  

Mass atom X = mass isotope 1 . % + mass isotope 2.%  + ...

The average atomic mass of boron :

\tt avg~mass=0.8474\times 10.0129+0.1526\times 11.0093\\\\avg~mass=10.431~amu

3 0
3 years ago
Explain how much risk you think your area has for water scarcity????
xz_007 [3.2K]
Not very much because half the time the water is purified but just normal water in my area probably has serious levels of scarcity.
3 0
3 years ago
Other questions:
  • What are some examples of replacement reaction?​
    11·1 answer
  • The slant of the earth is called what
    11·2 answers
  • In most animals, combinations of various tissues make up<br> functional units<br> called
    14·1 answer
  • Looking for a bf ( NO REPORT Fr )
    9·2 answers
  • Which of these provides the BEST evidence that the distribution of Earth’s oceans has changed over time?
    12·1 answer
  • Give the formulas for the ionic compounds made of the following ions:
    9·1 answer
  • The partial pressures of CH4, N2, and O2 in a sample of gas were found to be 143 mmHg, 469 mmHg, and 563 mmHg, respectively. Cal
    8·1 answer
  • The mercury-201 nuclide radioactively decays by electron capture. Write a balanced nuclear chemical equation that describes this
    11·1 answer
  • An atom with atomic number of 20 and a plus 1 charge<br> (Help)
    7·1 answer
  • The average kinetic of a gas remains the same when A. It’s volume is decreased B. It’s tell us decreasedC. It’s tell is increase
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!