The table below shows population data for a particular country in 2010: Population (millions) 40.5
Births (per 1,000) 30
Deaths (per 1,000) 4
Total Fertility Rate 3.3
Infant Mortality Rate
(per 1,000 births) 11

Five years later, the total fertility rate for this country is 2.4. Which of the following statements could be a possible reason for this change?

Of the pollutants that form acids in the atmosphere, which is easiest to reduce? a. sulfur dioxide b. nitrogen dioxide c. ozone d. carbon monoxide

Plz genetic engineering can be applied to many fields including medicine and agriculture. which of the following is a medical application of genetic engineering? a. giving crop plants recombinant dna so that they would be resistant to herbicides. b. examining a persons pedigree to determine whether they can carry a gene for a genetic disease. c. analyzing a persons dna to see how closely they are related to another person. d. certain genes into bacteria so that they will produce a needed medicine.

What element is able to combine with itself and hydrogen to form large molecules ?