science worksheet class 7​

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Answers 2

Answer:

root hair- absorption of water

hemoglobin- RBC

anther- pollen grains

budding- yeast

odometer- measuring distance covered by the vehicle

nichrome - alloy of nickle and chromium

electric bell- magnetic effect of electric current

railway time table- 24 hour clock

Answer:

hi

Explanation:

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hindi essay on mera jeevan lakshya hai singer banna in 150 wards​

मेरे जीवन का लक्ष्य एक सिंगर बनना है । अब मैं बड़ा हो गया हूं लेकिन मेरा यह लक्ष्य बचपन में ही मैंने तय कर लिया था । जब मैं टीवी चैनलों पर कई तरह के गाने सुनता था तब मुझे सिंगर बनकर गाना गाने , गाना सुनने का यह शौक हुआ था । गाने सुनते सुनते में धीरे-धीरे बड़ा होने लगा और उन गानों को मैने गुनगुनाना भी शुरू कर देता था ।

Answer:

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How many sides does a dodecahedron have?​

Step-by-step explanation:

twelve sides

in a dodecahedron

Answer:

12 sides

Explanation:

From left to right the solids are tetrahedron (four sides), cube (six sides), octahedron (eight faces), dodecahedron (twelve faces), and icosahedron (twenty faces).

Meaning of bonjour madame​

Answer:

bonjour Madame- hello madam!

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write a program to find the sum of first n natural numbers in python

1. Take in the number of natural numbers to find the sum of and store it in a separate variable.

2. Initialize the sum variable to 0.

3. Use a while loop to find the sum of natural numbers and decrement the number for each iteration.

4. The numbers are added to the sum variable and this continues until the the value of the number is greater than 0.

5. Then the sum of first N natural numbers is printed.

6. Exit.

n=int(input("Enter a number: "))

sum1 = 0

while(n > 0):

sum1=sum1+n

n=n-1

print("The sum of first n natural numbers is",sum1)

Explanation:

1. User must enter the number of natural numbers to find the sum of.

2. The sum variable is initialized to 0.

3. The while loop is used to find the sum of natural numbers and the number is decremented for each iteration.

4. The numbers are added to the sum variable and this continues till the value of the variable is greater than 0.

5. When the value of the variable becomes lesser than 0, the total sum of N natural numbers is printed.

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