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
lapo4ka [179]
2 years ago
8

Please help me vote you in both questions for a can vote you brainiest

Chemistry
1 answer:
swat322 years ago
8 0

Answer:

2. B

3. B

Explanation:

The Newton’s first Law states that: “An object will remain at rest or in uniform motion in a straight line unless acted upon by a external force.”

You might be interested in
A mover packs books, CDs, and DVDs into a moving box. If the box contains 6.5 kg of books, 1.5 kg of CDs, and 2.0 kg of DVDs, wh
mariarad [96]
Given: 
<span>M1 = 6.5 kg of books
</span><span>M2 = 1.5 kg of CDs
</span><span>M3 = 2.0 kg of DVDs

Required: percent by mass of each object

Solution:
First, we calculate the total mass.

M = 6.5 kg + 1.5 kg + 2.0 kg =  10 kg

Percent by mass is calculated by getting the ration of the mass of an object and the total mass multiplied by 100 to get the percent.

%M1 = 6.5 / 10 x 100 = 65%
%M2 = 1.5/10 x 100 = 15%
%M3 = 2.0/10 x 100 = 20%</span>
4 0
3 years ago
Read 2 more answers
PLS HELP!!! ASAP
mina [271]

Answer: The answer is Fossil A is younger than the index fossil.

Explanation: Because it’s the newest layer

7 0
3 years ago
If the reactants are 10 kg what is the mass of the products
nlexa [21]

If the mass of both the reactants is 10kg then the mass of the products also equals 10kg.

It is due to the law of conservation of mass.

Mass can neither be created nor be destroyed.

7 0
2 years ago
Las Vegas, Nevada is in a desert. How does its rapid population growth affect the
Scrat [10]

Answer:

Many areas of the United States experience explosive population growth. <u>The more people that reside someplace, the more demand there is for water there.</u> Often these urban-growth <u>expansions are unplanned and place extraordinary stress on the water supply system, mainly on the groundwater.</u> <u>The stress often depletes groundwater supply, thereby causing wells to dry up.</u> Then water must be brought from somewhere else to support the local population.

Such situations have occurred all over the United States. For example, increased population growth in the southwestern United States has significantly lowered the water table 50 to 200 feet (depending on the area) since the 1940s. Managing urban growth, efforts to reduce water demand, conservation of the resource, and attempts to increase the water supply all address the problem of exceeding water resource limits.

<u>Human activities affect groundwater quality.</u>

<u>Here are some sources </u>and possible solutions to groundwater pollution:

<u>Agriculture</u>—Reduce usage of pesticides and fertilizers.

<u>Landfills</u>—Monitor for leakage and repair linings.

<u>Underground storage tanks</u>—Remove damaged and unused tanks.

<u>Household wastes</u>—Properly dispose of household hazardous waste.

<u>Septic tank leaks</u>—Properly maintain and repair tanks.

Explanation:

This came from the K12 learning course read this and the answer will be there. I underlined the important parts for the answer.

7 0
3 years ago
Provide a definition of a closed system.
tensa zangetsu [6.8K]

Answer:

A closed system is a physical system that does not allow transfer of matter in or out of the system, though, in different contexts, such as physics, chemistry or engineering, the transfer of energy is or is not allowed.

Explanation:

5 0
2 years ago
Read 2 more answers
Other questions:
  • For the reaction C6H14(g) ------&gt; C6H6(g) + 4H2(g), the rate of formation of hydrogen gas, H2 was found to be 2.5 x 10-2 atm/
    11·1 answer
  • Why does iron not fit the pattern in column 7
    13·1 answer
  • 13. A warm air mass that is cut off from the ground is said to be
    6·1 answer
  • A manufacturing plant has been found guilty of polluting the nearby river. This is _______ pollution.
    11·2 answers
  • Joe’s cells can’t convert food energy effectively into energy they can use. As a result, he gets extremely tired, has weak legs,
    13·2 answers
  • Identify whether each of these hydrocarbons is saturated or unsaturated Place an "S" for "saturated"
    15·1 answer
  • water from a town is suspected to contain chloride ions but not sulphate ions . describe how the presence of the chloride ions i
    9·1 answer
  • A recipe calls for 0.8 oz of cheese. If I make 35 batches of this recipe, how many ounces of cheese do I need?
    15·1 answer
  • Helpppppppppppppppppppppppppppppppppp
    11·2 answers
  • Seriously need help with this!!<br> (〒﹏〒)(〒﹏〒)<br><img src="https://tex.z-dn.net/?f=%20%5C%3A%20%20%5C%3A%20%20%5C%3A%20" id="Te
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!