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
KiRa [710]
3 years ago
8

What do the presence of fish and a wide diversity of invertebrates in a river indicate?

Chemistry
1 answer:
Yakvenalex [24]3 years ago
6 0
High biodiversity in the environment. 
You might be interested in
What made alchemy unscientific in its practices?
anzhelika [568]
(B) because it couldn’t turn in to good
7 0
3 years ago
Read 2 more answers
1. Imagine you have a sealed 20.0 L balloon filled with helium gas at 750 mmHg in the
SVETLANKA909090 [29]

Answer:

17.6510 L

Explanation:

First we should get the number of moles of helium here by Boyle's law

PV=nRT

P=750/760= 0.9868 atm

T=25+273=298 kelvin

R= 0.08206

V= 20L

so

n=PV/RT

n=0.9868×20/0.08206×298

n=0.80707 mol

Then use the same law

V=0.80707×0.08206×263/0.9869=

17.6510L

SO THE VOLUME WILL BE 17.6510 L

6 0
2 years ago
How many mL of 14.5M lithium carbonate solution must be used to deliver 4.20 g of lithium ion
svet-max [94.6K]

Answer:

10.3 g Li) / (6.9410 g Li/mol) x (1 mol Li3PO4 / 3 mol Li) / (0.750 mol/L Li3PO4) = 0.6595 L = 660. mL

Explanation:

7 0
3 years ago
In order to reproduce, many flowering plants use external agents, such as insects or birds, to aid in the pollination process. W
KonstantinChe [14]
OPTION B seems to be the best options n of the 4
4 0
3 years ago
Read 2 more answers
True or False. Weather patterns in the US moves from the West to East across the<br> country.
Andrew [12]

Answer:

North America) than in the tropics. Since low pressure systems spin in a counterclockwise fashion, winds move from the west to the east, propelling weather systems to the east. Another MAJOR factor that drives weather systems in the U.S. is that the Jet Steam moves from West to East across North America.

Explanation:

I hope this helped

(Sorry If it didn't)

5 0
2 years ago
Other questions:
  • In living things what is the source of the carbon-14 that is used in radiocarbon dating
    14·2 answers
  • 4-hydroxypentanal reacts with one equivalent of methanol to form a cyclic acetal.
    14·1 answer
  • Select all of the following statements that are incorrect.
    11·1 answer
  • Which of the following is a noble gas? carbon dioxide, boron, oxygen, and helium
    6·2 answers
  • Here is the electron configuration for Magnesium. How many total electrons are in the 2nd energy level?
    5·1 answer
  • Type the correct answer in each box.
    6·1 answer
  • Convert 7.1x10^25 molecules of water to moles
    6·1 answer
  • What is Density?:
    10·1 answer
  • What is the numerical value of gold silver and platinum?
    7·1 answer
  • Which pair of aqueous solutions can create a buffer solution if present in the appropriate concentrations?.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!