Environmental Science The first oil well was drilled in the United States in 1959 1859 1829 1929 1959 1859 1829 1929 ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The most abundant greenhouse gas in the earth's atmosphere: Chlorofluorocarbons (CFCs) Carbon dioxide (CO2) Nitrous oxide (N2O) Methane (CH4) Water vapour (H2O) Chlorofluorocarbons (CFCs) Carbon dioxide (CO2) Nitrous oxide (N2O) Methane (CH4) Water vapour (H2O) ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Harmful trace metals in fly ash: All of these antimony arsenic cadmium All of these antimony arsenic cadmium ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Blue revolution is associated with Agriculture Fishing Irrigation Iron and steel Agriculture Fishing Irrigation Iron and steel ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Non-biodegradable pollutants are created by humans excessive use of resources natural disasters nature humans excessive use of resources natural disasters nature ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Noise is measured using sound meter and the unit is decibel sound hertz joule decibel sound hertz joule ANSWER DOWNLOAD EXAMIANS APP