Environmental Science The earth's first atmosphere was composed primarily of: Argon and nitrogen Hydrogen and helium Oxygen and water vapor Carbon dioxide and water vapor Argon and nitrogen Hydrogen and helium Oxygen and water vapor Carbon dioxide and water vapor ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Black Buck is a Butterfly Goat Deer Bird Butterfly Goat Deer Bird ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The pollution which does not persistent harm to life supporting system is All of these Radiation pollution Organochlorine pollution Noise pollution All of these Radiation pollution Organochlorine pollution Noise pollution ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Molten rock deep inside the earth is called magma lava valcano core magma lava valcano core ANSWER DOWNLOAD EXAMIANS APP
Environmental Science All the statements are correct regarding ecological succession except It is a random process Species diversity increases as succession proceeds The food chain relationships becomes more complex The role of decomposers becomes more and more important It is a random process Species diversity increases as succession proceeds The food chain relationships becomes more complex The role of decomposers becomes more and more important ANSWER DOWNLOAD EXAMIANS APP
Environmental Science A high Biological Oxygen Demand (BOD) indicates that: absence of microbial action water is pure High level of microbial pollution Low level of microbial pollution absence of microbial action water is pure High level of microbial pollution Low level of microbial pollution ANSWER DOWNLOAD EXAMIANS APP