What type of bond do water molecules form with each other? a. hydrogen bond b. covalent bond c. lonic bond d. peptide bond

1. which of the following is correct regarding opiates/opioids: a. they all have a natural component as a starting pointb. they have low addiction possibilitiesc. methadone binds to some of the same receptorsd. a and care correcte. all are correct

Which of the following is not a symptom of desertification? a) decrease in salt content of the soil b) lowering of the water table c) reduced surface water d) increased soil erosion e) loss of native vegetation

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false