Science and Environment

What is h2o more commonly known as?

A caterpillar becomes a butterfly through metamorphosis.

What is the chemical symbol for gold?

Which of the following is not a renewable source of energy?

The Earth revolves around the Sun

What is the primary source of mercury pollution in aquatic ecosystem?

Which process helps remove carbon dioxide from the air over a very long time?

Which greenhouse gas has the highest global warming potential over a 100 year period?

Electricity can travel through metals

What is the main environmental impact of hydraulic fracturing (fracking)?

Which state of matter has a definite volume but no definite shape?

Which of the following processes converts nitrogen gas (N₂) into a biologically usable form?

Thermal pollution can reduce the oxygen content in water, affecting aquatic life.

Which of the following is an example of a positive feedback loop in climate change?

Which biome covers the largest area of the Earth's surface?

The human skeleton is made up of over 500 bones.

Bacteria are living organisms.

What is the powerhouse of the cell?

Hydropower generates greenhouse gases during its energy production process.

Which part of the human brain controls balance and coordination?

Which element is most critical for limiting primary productivity in most ocean ecosystems?

What is the main gas found in the air we breathe?

How many planets are in the solar system?

A carbon footprint measures the amount of oxygen a person consumes daily.

What gas do plants absorb from the atmosphere during photosynthesis

The ozone layer depletion is mainly caused by which group of chemicals?

What is the main cause of ocean dead zones?

What organ pumps blood throughout the body?