science quiz group 2

When you bath or clean clothes on a riverbank it can add

nutrients such as nitrogen and phosphorus into water bodies, it leads to excessive growth of ______________.

• coral

• algae

• spiders

• roses

2.Which of the following is not greenhouse gas?

• oxygen

• carbon dioxide

• methane

• water vapour

• nitrogen

the atmosphere of the planet Venus has dense clouds of

• oxygen

• helium

• nitrogen

• carbon dioxide

the temperature of the Earth has

increased by _______ in the last 100

years.

• 1-2 f

• 2-3 f

• 3-4 f

• 1,000,000,000,000,000,000,000 f

________________is everything around us that may influence us.

• insects

• animals

• environment

• eggs

air pollution causes ______ and ________.

• acid rain

• earthquake

• global warming

• tsunami

• dinosaurs

_____________is the adding of harmful to the environment

• pollution

• monkeys

• air

• water

Some Bacteria convert atmospheric nitrogen into a form that can be converted into a form that can be used by _____

• water

• animals

• plants

• humans

the gases that are responsible for the greenhouse effect are called ________________

• greenhouse gases

• oxygen

• environment

• eggs

___________ is released from landfills, wet lands, rice paddies and grazing animals like cows, buffaloes, sheep and goatso

• Water Vapour

• Carbon Dioxide,

• Methane

• oxygen