Which of the following is a base? lemon juice stomach acid vinegar baking soda i think that it is vinegar

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

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.

The tubes transporting minerals and water upward are called ?