BELDANCA L. A. d. 9. Mon SCHOOL TEST EXAMINATION : Subject : Time- 3 Hrs. 15 Min. Class -X Physical Science fM. ৪০ Group - A 1. সঠিক উত্তরটি নির্বাচন করে পূর্ণবাক্যে লেখাে। 1x5=15 i) মেরুজ্যোতি উৎপন্ন হয় বায়ুমন্ডলের যে স্তরে সেটি হল - (a) ওজোননাস্ফিয়ার {b) আয়নােস্ফিয়ার (c) ট্রোপােপজ (d) মেসােস্ফিয়ার ৫০ নেতি PUBापित कर পক - 3 answer b

What are similarities and differences of reflection, refraction, diffraction and absorption?

You want to lose weight and have been trying to decide which type of fad diet is best for you. you ask your doctor, who responds that a. fad diets are a temporary fix but generally don't have any side effects b. fad diets can be used several times a year to maintain a healthy weight c. fad diets can be risky for your health and, in the long run, do not work d. fad diets should never be used one right after the other; there should be a break between them select the best answer from the choices provided. a b c d

Steelhead trout migrate up stream to spawn.occasionally they need to leap up small waterfalls to continue their journey. fortunately, steelhead are remarkable jumpers, capable of leaving the water at a speed of 8.0 m/s. a. what is the maximum height a steelhead trout can jump? b.leaving the water at 8.0 m/s, the trout lands on top of the water fall 1.8 m high. how long was it in the air?