1) Soviet chemical science is successfully sloving many complex problems 2) Radio astronomy has given mankind efficient means for penetration into space 3)Becquerels discovery was followed by an intensive research work of Marie and Pierre Curie 4)Heat energy is transmitted in two different ways Перевести, найти глагол сказуемое и определить его видовременную форму и залог

1. Советская химическая наука успешно решает много комплексных проблем.