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Setler79 [48]
3 years ago
12

In 2015, the mean SAT critical reading score for college-bound seniors was 495, with a standard deviation of 116. What is the z

score for a person who scored 720?
SAT
1 answer:
Contact [7]3 years ago
3 0
Sarah wants to find out how much time it would take to drive from her home to New York. At an average, she would drive at 55 miles per hour. If the distance to be covered is 1150 km and a mile equals 1.61 km, how much time will the trip take (to the nearest hour)? O 13 hours 21 hours 29 hours 34 hours
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How many mango seeds are equal to 3. 50 moles of mango seeds.
Bad White [126]
<h2>Question :- </h2>

How many mango seeds are equal to 3.50 moles of mango seeds.

<h2>Answer:- </h2>

1 mole = 6.022 \times  {10}^{23} particles

<h3>so we can simply multiple number of moles with number of particles in one mole so that we can get number of particles in given moles </h3>

3.50 \: moles = 6.022 \times  {10}^{23}  \times 3.50 \: particles \\ 3.50 \: moles = 21.07 \times  {10}^{23} \: particles \\ 3.50 \: moles = 2.107 \times  {10}^{24} \: particles

<h3>ATQ:- </h3>

Particles = mango seeds so we can say

3.50 \: moles = 2.107 \times  {10}^{23}  \: particles\\ 3.5\:moles =2.107 \times  {10}^{24} mango \: seeds

5 0
2 years ago
6. A protostar has a high enough __________ to become a star. (1 point)
umka21 [38]

the correct answer would be mass... idk why u deleted my question.

6 0
3 years ago
What would happen first if guard cells in a plant stopped working?.
irakobra [83]

Answer:

Stomata would not open and close.

Explanation:

This is the answer because guard cells play an important function of controlling stomata. The ensures that stomata are open during the day and closed during the night for the purposes of photosynthesis. The stomata are the pores that are found on the under surface of a plant leave,whose role is gaseous exchange.

The main function of guard cells is to regulate the opening and closing of the pore formed between the gap of two guard cells, termed as stomata.

  • Option A is incorrect as stomata are the least susceptible area from where pathogens can enter the plant cell.
  • Option B is incorrect because photosynthesis is not directly and much affected by guard cells.
  • Option D is incorrect as chloroplasts are not associated with the guard cells.
  • Stomata are directly linked with movement of guard cells, so correct answer is option C. Through stomata, exchange of gases and water vapor takes place.
4 0
3 years ago
Collecting research data is the final step in the scientific method. Please select the best answer from the choices provided T F
wel

The scientific method is a series of sequential steps used to build scientific knowledge. In the scientific method, the collection of data is a previous step before making conclusions from these data.

  • The statement 'Collecting research data is the final step in the scientific method' is FALSE.

The steps of the scientific method include:

  1. to make one particular observation of some aspect of the natural world in order to formulate one question from such observation
  2. to propose a possible explanation (hypothesis) in order to explain this question
  3. to test the hypothesis by collecting experimental and/or observational data
  4. to examine the collected data in order to accept or reject the working hypothesis
  5. to make a conclusion from the results

Learn more in:

brainly.com/question/17216882?referrer=searchResults

4 0
3 years ago
Calculate the mole fraction of thiophene in the solution.
mestny [16]
What is the fractions here? can you please insert a image.
3 0
3 years ago
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