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
Agata [3.3K]
3 years ago
14

A student tossed a coin five times and observed results of four tails and one head. He concluded that when a coin is tossed, the

re is an 80% chance of getting a tail and a 20% chance of getting a head. The conclusion would be more valid if? A only two tosses of the coin had been used B the weight of the coin had been used C a greater number of tosses had been used D the surface the coin had landed on had been taken into consideration
Biology
1 answer:
romanna [79]3 years ago
5 0

Answer:

4

Explanation:

You might be interested in
Chromosome can be described as ​
Monica [59]
...the DNA molecule that packaged into thread-like structures. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure.
5 0
2 years ago
Match each structure on the left with the corresponding function on the right. Group of answer choices Chemically digests food,
Ad libitum [116K]

Answer:

1. Chemically digests food, absorbs nutrients and minerals from food - Small intestine

2. Breaks down and physically digests food - Stomach

3. Metabolizes nutrients, detoxifies blood, makes bile - Liver

4. Stores and concentrates bile - Gallbladder

5. Removes waste products and excess fluid - Kidney

6. Filtering structure of kidney - Nephron

7. Produces eggs and reproductive hormones - Ovary

8. Produces sperm and reproductive hormone - Testis

Explanation:

This question is asking to correctly match certain digestive organs with their respective function. The organs and their function are as follows:

- Small intestine: Small intestine is the major organ that digests food chemically, and also absorbs nutrients and minerals from food.

- Stomach: This breaks down and physically digests food.

- Liver is responsible for metabolizing nutrients, detoxification of blood, and making of bile.

- Gall bladder is a greenish yellow organ responsible for the storage and concentration of the bile produced by the liver.

- Kidney is the major excretory organ of the body, which removes waste products and excess fluid from the body.

- Nephrons are numerous filtering structure of the kidney.

- Ovary is the female reproductive organ that produces the eggs/ova and other reproductive hormone like oestrogen.

- Testis is the male reproductive organ that produces the sperm and other reproductive hormone like testosterone etc.

7 0
3 years ago
How do trees improve water quality?
zaharov [31]

Answer:

<h3>A</h3><h3>Tree roots anchor soil in place,preventing runoff. </h3>

Explanation:

<h3>I hope l helped you. </h3><h3>Please follow me. ❤❤❤</h3>
5 0
3 years ago
Read 2 more answers
Susan, a 67 year old female, is experiencing ataxia, or poor muscle coordination. when doctors perform a romberg test, the resul
Mice21 [21]

Correct Completed  Questions; Susan, a 67 year old female is experiencing ataxia, or poor muscle coordination. Doctors perform a neurological exam and they find that Susan is not positive for the Romberg test. Describe what these findings suggest about the sources of Susan's ataxia.

Answer:s

In order to test for balance and positioning(proprioception)   as a measure of  neurological function, or to test level   of intoxication alcohol  during driving, Romberg test is usually conducted,which can be negative or positive.It is generally used to investigate the cause of loss of motor control in individuals.

Explanation:

A positive result  showed that her  ataxia was due to loss of positioning due to loss of  sensory from sensory neurons.However if negative as in the case of Susan, then it  is to due to abnormality/dysfunctions   in the cerebellum, and not due to loss of sensory functions,

3 0
3 years ago
What cell process is controlled by the nucleus?
SVETLANKA909090 [29]
<span>Protein synthesis is controlled by the nucleus</span>
3 0
3 years ago
Read 2 more answers
Other questions:
  • How do immunoglobulin genes code for a seemingly infinite variety of antibodies?
    8·1 answer
  • Which compound is a metabolic intermediate of the light-independent reactions in photosynthesis?
    8·2 answers
  • This pie chart presents data on sources of methane emissions in the United States between 1990 and 2013. Which questions would h
    15·1 answer
  • The carbon cycle activity sheet
    14·2 answers
  • What is true of enzymes?
    14·1 answer
  • If a disease killed all of the frogs in the above food web, which population would be most directly affected in a negative way?
    13·2 answers
  • The continental slope is distinguished by
    13·2 answers
  • While listening to sad rather than happy music, people are more likely to perceive a spoken work as mourning rather than morning
    15·1 answer
  • What characteristic of life can you live without out of the 10 main ones
    6·1 answer
  • You need to prepare for an exam on mitosis. You search for models of mitosis to help you. What kind of model should you choose?(
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!