Подчеркните participle i и participle 2 и установите функции каждого них, т.е. укажите, является ли оно определением, обстоятельством или частью глагола-сказуемого. 1 .molecular crystals are solids constructed of molecules held together by rela¬tively weak forces. 2. a body moving with certain velocity carries within itself the kinetic energy of motion. 3. while absorbing the energy of cosmic rays the upper atmosphere becomes radioactive. 4. unless properly treated the metal must not be applied for space technology.