answer.
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
iren2701 [21]
2 years ago
10

Omar observes that many buildings in his city were built using limestone. He has read that acid rain can damage limestone. He al

so knows that limestone reacts with acids and that chemical reactions are affected by temperature. With this in mind, he conducts an investigation to see how the amount of damage to the limestone is affected by the amount of acid on the stone. Which statement describes the correct plan for his procedure?
The temperature, the amount of damage to the limestone, and the type of acid are controls. The amount of acid and the type of limestone are variables.
The temperature, the type of limestone, and the type of acid are controls. The amount of acid and the amount of damage to the limestone are variables.
The amount of acid, the type of limestone, and the type of acid are controls. The temperature and the amount of damage to the limestone are variables.
The temperature, the amount of acid, and the amount of damage to the limestone are controls. The type of limestone and the type of acid are variables.
Social Studies
2 answers:
Fantom [35]2 years ago
6 0
The correct answer would be the second option. The correct plan for his experiment would be that the temperature, the type of limestone, and the type of acid are controls. The amount of acid and the amount of damage to the limestone are variables. To determine the degree of damage of the acid it would be best that the amount of acid is the manipulated variable while everything else are assumed constant.
notka56 [123]2 years ago
3 0

B. The temperature, the type of limestone, and the type of acid are controls. The amount of acid and the amount of damage to the limestone are variables.

You might be interested in
Write a brief political monologue about democracy from an Athenian slave’s point of view.
tresset_1 [31]
A slave's monologue could be:
The democracy is highly undemocratic. Me and my family are treated as property and have no rights. They sell us, separate us, or harshly punish us all the time and we are not considered to be citizens. If something bad happens, a regular citizen would get a fine while we get physically punished through means of flogging. If we see a crime our testimonies are not accepted except when we are tortured for information.
5 0
2 years ago
Coach Jones wanted to record the number of free throws that AJ made during practice game. He had his manager record a tally mark
mylen [45]

Answer: Event Recording

Explanation:Event recording can be defined as a process by which an observer documents the number of times a behavior occurs. A tally/document is used by the observer using event recording for recording each time a student/individual involved in a target behavior. It should also be noted that the duration in which the behavior is being observed is recorded by the observer .

5 0
2 years ago
A hospice program director is examining client care activities with the intention of improving quality. After determining that m
Hoochie [10]

Answer:

Performance improvement project.

Explanation:

As the name implies, a Performance Improvement Project approach is that which intends to improve, design, measure or assess any type of organizational performance. This is achieved by, as the exercise details, objectives, goals, and a timeline and, in most of the cases, involves client care. First, it assesses what to improve, forming the objectives. Then, a plan is developed to try and adress the issue, improving the quality of the service.

3 0
2 years ago
Andrea believes that she must always open the door of her car with her left hand and put her right leg first into the car. She a
Annette [7]
C) obsessive-compulsive disorder
5 0
2 years ago
Read 2 more answers
Select the correct answer. Charlie is having trouble moving his arms and legs. Charlie’s doctor diagnoses him with amyotrophic l
spin [16.1K]

The correct answer is E. Nervous

Explanation:

The nervous system is the one in control of the transmission of information in the body, and therefore the system that makes possible coordinated actions and movements. In the case of the Amyotrophic Lateral Sclerosis (ALS) or similar conditions, neurons controlling voluntary movements and actions do not work correctly, and therefore the individual cannot coordinate movements or can do this with certain difficulties. This explains symptoms such as difficulties in coordinated movements, stiff muscles or muscle weakness that is part of ALS. According to this, the type of tissue ALS involves is nervous.

8 0
2 years ago
Read 2 more answers
Other questions:
  • which word refers to any system that uses an exchange medium-whether its a precious metal or government-printed paper-that can b
    10·2 answers
  • Using four or more complete sentences, describe culture and discuss why it is often referred to as a way of life.
    9·1 answer
  • Cultural imperialism is ______. Group of answer choices a concept in journalism ethics that argues that journalists must know th
    8·1 answer
  • In addition to replacing officers lost to desertions, defections, and retirements, what was among the significant rebuilding cha
    6·2 answers
  • . Describe the defi nitional approach to categories. Why does it initially seem like a good way of thinking about categories, bu
    11·1 answer
  • Health is as much a social as a biological concern. Analyze whether or not healthcare is equally accessible to people belonging
    6·1 answer
  • Baron wants to reduce prejudice toward incoming minority students at his elementary school. Before the minority students arrive,
    7·2 answers
  • What is thyasaphu ? why is it taken as one of the sources of history?<br>Please help me guys....​
    10·1 answer
  • "I know it! It's um . . . um . . . It starts with 'G'," begins a trivia-game contestant excitedly. The contestant is falling pre
    9·1 answer
  • While boiling water, one of the members of your team tips the pot over and spills it all over their leg. How do you treat the bu
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!