एक वाक्य में उत्तर लिखिए सोडियम कार्बोनेट का रासायनिक सूत्र लिखिए।
परमाणु के नाभिक में उपस्थित अवपरमाणुक कणों के नाम लिखिए।
(ii) कोशिका के अंदर प्रोटीन का संश्लेषण कहाँ होता है?
(iv) मुक्त पतन से क्या अभिप्राय है?
(v) किसी वस्तु की गतिज ऊर्जा के लिए व्यंजक लिखो।​

Bicycle riding should be encouraged, and adding bicycle lanes will increase the number of riders. it is healthier for people to ride than to sit angrily in traffic. it is healthier for everyone to breathe cleaner air. sharing the road can be tricky, but there are things that can be done. so, add the bike lanes and get rolling! which sentence would improve this conclusion? every town should consider adding bicycle lanes, because it is a great idea. organizing safety classes for drivers and cyclists will ensure that everyone knows the rules. do not listen to negative people who complain about anything new. it is true that some people might get injured, but even walking can be dangerous.