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
Katena32 [7]
3 years ago
5

Obi is trying to determine if a powdery, solid substance is an element or a compound. After recording some observations, he stro

ngly heats a sample of the solid over a burner flame. After fifteen minutes, he turns off the flame and allows the sample to cool. He records his final observations in the data table.
Medicine
2 answers:
aniked [119]3 years ago
8 0

Answer:

b

Explanation:

Snezhnost [94]3 years ago
7 0

Answer:

The answer is B

Explanation: I got it tight on edgunity 2020, I hope this helps :)

You might be interested in
During a biceps curl, the triceps play what role in contraction?
timama [110]

Answer:

A. Antagonist

Explanation:

The triceps, acting in opposition, is called the antagonist. Because the two muscles are located on opposite sides of the arm, the triceps must relax enough to allow the biceps to tense and contract during a curl. As it contracts, it shortens. As the triceps relaxes, it lengthens. (google)

5 0
3 years ago
An 86-year-old female presents to the emergency department complaining of shortness of breath. Assessments reveal atrial fibrill
FrozenT [24]

Answer:

The woman has difficulty breathing due to air duct defibrillation, that is why she will not be allowed to do physical activity, a beta-blocker, an antiarrhythmic, and a diuretic will be indicated to also regulate blood pressure and fluid retention in cause of venous return dysfunction.

Explanation:

These patients have to have a very careful and constant attention since they can enter a heart systemic failure, unlike ventricular fibrillation, the atrial fibrillation is much more serious and lethal.

3 0
2 years ago
The mitral valve has fewer flaps than the right atrioventricular valve.<br> a. True<br> b. False
kolezko [41]

Answer:

The mitral valve has fewer flaps than the right atrioventricular valve:

<em>a) True </em>

Explanation:

The mitral valve is a bicuspid valve, which means it has two flaps; whereas, the right atrioventricular valve is a tricuspid valve and so has three flaps.

These two heart valves link the atrium with the ventricles. The mitral valve is located on the left side of the heart, while the tricuspid valve is on the right side.

8 0
3 years ago
What is anthropology?<br>what is benefit of learning anthropology?<br>​
Cloud [144]

Answer:

Anthropology is the study of what makes people human. Completing a degree in anthropology will allow you to investigate the complexities of human beings. Anthropologists look into different people's lifestyles, how the human species has evolved and how humanity's past has impacted on the present

Explanation:

i love this subject

4 0
2 years ago
13) A patient is being seen in the office for an injury suffered at his place of employment. In addition to the claim form, a fi
Genrish500 [490]

Answer:

manual

Explanation:

  • The patient is being seen in the office so the patient is not much serious
  • The first report of enquiry is just the patient needs to post.
  • As it's not severe and first time so electronics are not used

Option D

6 0
2 years ago
Other questions:
  • Select the correct answer.
    13·1 answer
  • The sodium/potassium exchange pump uses what method of cellular transpont?
    10·1 answer
  • Fluid leaving the ____ is the urine
    12·1 answer
  • Which change, if any, will most likely occur within the articular cartilage of the knee as a result of nonweight bearing for 2 m
    11·2 answers
  • All of the following are components of the negative feedback systems that control homeostasis EXCEPT
    9·1 answer
  • Cholesterol auxotrophic cells are unable to produce their own cholesterol so they must rely on LDL present in the cell culture m
    11·2 answers
  • What cells go through meiosis? __________ How many cells are produced? _________ How many chromosomes? _______
    10·1 answer
  • Which of the following statements is FALSE about alcohol?
    6·1 answer
  • ¿Cuáles son los tiempos sépticos?
    8·1 answer
  • The doctor prescribed 100 mg, available is 1,000 mcg/0. 5 ml. How many ml should be administered to the patient?.
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!