Answer asap or you'll fail your exams :)(update)

1.	Answer asap or you'll fail your exams :)(update)
Answer» (A) 1. Leech- member of Annelida2. constant ACCELERATION- In circular motion, an object MOVING with constant speed has changing velocity( due to continuous change in direction ) but constant acceleration.3. mass4. zero5. vacuum- Sound needs a medium to travel as it is a longitudinal WAVE. It travels fastest in solids.6. bacteria- Tuberculosis is caused by MYCOBACTERIUM tuberculosis.(B)1. true- caused by HAEMOPHILUS influenzae2. false- Sea breeze occurs during daytime, land breeze occurs at night.3. true- Urea has the formula NH2CONH24. true- Inertia is a measure of mass, which is also a scalar quantity.

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