Answer
4 and 5
Explanation
A constant term in an expression is a term that does is independent of any variables. This means that constant term will have non of the variables 
attached to them. In the expression 
we notice that the terms integers 4 and 5 are the only terms that are not coefficients of any of the variables in the expression.
Answer:
a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction.
Explanation:
Enzymes are both proteins and biological catalysts.
Answer:
New researhc on the harmful effects of pesticides influenced the US government's decision to establish the Environmental Protection Agency in 1970.
Explanation:
The United States Environmental Protection Agency (EPA) is the government agency responsible for health and the environment in the United States.
The EPA was established by President Richard Nixon on December 2, 1970. In July 1970, it was approved by the public as demand for cleaner water, air, and land following environmental disasters such as the 1969 Cuyahoga River fire. Prior to the establishment of the EPA, the US government did not have structured instruments to address pollution that is hazardous to human health and the environment.
Its a ancient language of India.
