the to you in a week in ternns of X. (Rejer to Lesson 7-1 Adding and Subtracting Polynomials -Algebra 1) d) Based on your weight, find the number of calories you will burn in a week. What does this number indicate? Is training important to stay healthy and fit? Support your answer with evidence. Write your answer in complete sentences. art 5: Reflection a) In your opinion, how are calories related to your nutrition plan and the time spent on exercising? Is nutrition more important than exercise? Why or why not? Support your answer with evidence. Write your answer in complete sentences. b) Other than calories, what nutritional facts should you consider when you follow a diet plan? Write your answer in bullet form. c) As a teenager, what should you do to maintain/reach a healthy weight? Write your answer in bullet form.
Stellar evolution
We may see thousands of stars in the dark sky. Our universe consists of billions of stars. Stars may appear tiny to us but they are huge balls of gasses. Sun is a star of average size. Some stars are even a thousand times larger than the sun. The stars do not exist forever they have a certain lifetime. The life span of the sun is about 10 billion years. The star undergoes various changes during its lifetime, this process is called stellar evolution. The structure of the sun-like star is shown below.
Red Shift
It is an astronomical phenomenon. In this phenomenon, increase in wavelength with corresponding decrease in photon energy and frequency of radiation of light. It is the displacement of spectrum of any kind of astronomical object to the longer wavelengths (red) side.
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