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    • Posted by Vishal Karena 8 years ago

    CBSE > Class 07 > Science
    • 1 answers

    S N 8 years ago

    At high altitude oxygen is less.

    0Thank You

    ANSWER

    • Posted by Aman Yadav 8 years ago

    CBSE > Class 07 > Science
    • 3 answers

    Guarav Chutar 8 years ago

    To live in the earth and breathe

    0Thank You

    Jagriti Mittal 8 years ago

    We need oxygen to breath and by respiration we get lot of energy

    1Thank You

    R S 8 years ago

    To breathe

    1Thank You

    ANSWER

    • Posted by Mahira Anjum 8 years ago

    CBSE > Class 07 > Science
    • 2 answers

    Abhay Tomar 8 years ago

    A black hole is a region of Space-time exhibiting in space it has a high gravitational force light can not be to escape from him it is also called neutron star

    1Thank You

    R S 8 years ago

    No

    0Thank You

    ANSWER

    • Posted by Nirmal Mishra 8 years ago

    CBSE > Class 07 > Science
    • 2 answers

    Kiranmayee Sri Lakshmi 8 years ago

    Venus

    2Thank You

    Prakash Singh 8 years ago

    Venus because it has thin layer of atmosphere.

    2Thank You

    ANSWER

    • Posted by Deepti Patil 8 years ago

    CBSE > Class 07 > Science
    • 3 answers

    Kiranmayee Sri Lakshmi 8 years ago

    Due to the radiation

    1Thank You

    Guarav Chutar 8 years ago

    Due to the radation

    0Thank You

    Tanay Jain 8 years ago

    It travels due to radiation

    1Thank You

    ANSWER

    • Posted by Vivek Singh 8 years ago

    CBSE > Class 07 > Science
    • 0 answers
    ANSWER

    • Posted by Bimal Maity 8 years ago

    CBSE > Class 07 > Science
    • 1 answers

    Tanay Jain 8 years ago

    Because after eating our digestive system relises some kinds of juices or acid on it. After digestion the useful nutrients are absorbed by our body . After this some unuseful things are left . This can become poisonous after some time. So it is necessary to excret

    0Thank You

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    • Posted by Naveen Shankar 8 years ago

    CBSE > Class 07 > Science
    • 0 answers
    ANSWER

    • Posted by Mohnish Juware 8 years ago

    CBSE > Class 07 > Science
    • 1 answers

    Praveen Hosakoti 8 years ago

    RNA stands for Ribonucleic Acid

    0Thank You

    ANSWER

    • Posted by Mohnish Juware 8 years ago

    CBSE > Class 07 > Science
    • 3 answers

    Kiranmayee Sri Lakshmi 8 years ago

    Hen

    1Thank You

    Kanav Bhatia 8 years ago

    hen

    2Thank You

    Kanav Bhatia 8 years ago

    hem

    0Thank You

    ANSWER

    • Posted by Jitesh Kumar 8 years ago

    CBSE > Class 07 > Science
    • 0 answers
    ANSWER

    • Posted by Jitesh Kumar 8 years ago

    CBSE > Class 07 > Science
    • 0 answers
    ANSWER

    • Posted by Shubham Yadav 8 years ago

    CBSE > Class 07 > Science
    • 1 answers

    Tanay Jain 8 years ago

    It essential because to continue the production of new generation

    0Thank You

    ANSWER

    • Posted by Rasmeet Singh Saini 8 years ago

    CBSE > Class 07 > Science
    • 0 answers
    ANSWER

    • Posted by Tushar Thakur 8 years ago

    CBSE > Class 07 > Science
    • 0 answers
    ANSWER

    • Posted by Ayan Khan 8 years ago

    CBSE > Class 07 > Science
    • 1 answers

    Aniket Gupta 8 years ago

    Time taking for 20 oscillation.=32 second Time taking for 1 oscillation =32÷20 second Time period =1.6 second ??????? OKAY AYAN KHAN

    2Thank You

    ANSWER

    • Posted by Nilesh Kumar 8 years ago

    CBSE > Class 07 > Science
    • 0 answers
    ANSWER

    • Posted by Manglik Priya 8 years ago

    CBSE > Class 07 > Science
    • 0 answers
    ANSWER

    • Posted by Khawish Singla 8 years ago

    CBSE > Class 07 > Science
    • 1 answers

    Praveen Hosakoti 8 years ago

    The work of battery is to power the electrical device. Battery is a group of cells.

    0Thank You

    ANSWER

    • Posted by Khawish Singla 8 years ago

    CBSE > Class 07 > Science
    • 0 answers
    ANSWER

    • Posted by Kalindi Yadav 8 years ago

    CBSE > Class 07 > Science
    • 0 answers
    ANSWER

    • Posted by Vandana Singh 8 years ago

    CBSE > Class 07 > Science
    • 0 answers
    ANSWER

    • Posted by Jugaajyoti Dash 8 years ago

    CBSE > Class 07 > Science
    • 0 answers
    ANSWER

    • Posted by Harsh Raj 8 years ago

    CBSE > Class 07 > Science
    • 0 answers
    ANSWER

    • Posted by Mishti Aggarwal 8 years ago

    CBSE > Class 07 > Science
    • 0 answers
    ANSWER

    • Posted by Ashwini Choudhary 8 years ago

    CBSE > Class 07 > Science
    • 1 answers

    Ashwini Choudhary 8 years ago

    Ravi

    3Thank You

    ANSWER

    • Posted by Nikhilesh Singh 8 years ago

    CBSE > Class 07 > Science
    • 2 answers

    Riya Goswami 8 years ago

    Oscillatory motion

    1Thank You

    Nikhilesh Singh 8 years ago

    Is it oscillatory

    1Thank You

    ANSWER

    • Posted by Kushal Jagtap 8 years ago

    CBSE > Class 07 > Science
    • 0 answers
    ANSWER

    • Posted by Neha Kumari 8 years ago

    CBSE > Class 07 > Science
    • 1 answers

    S N 8 years ago

    Light travels in a straight line .

    1Thank You

    ANSWER

    • Posted by Neha Kumari 8 years ago

    CBSE > Class 07 > Science
    • 1 answers

    Prashanth Arjun 8 years ago

    Concave mirror form an inverted image

    0Thank You

    ANSWER

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