How can the deliberate contamination of food be prevented​

Will mark branliest. the theory of plate tectonics was developed with the contribution of scientists from many different disciplines. which of the following is a contribution from geophysicists?

The term life cycle includes the entire process of: adults defending their young providing a conducive environment adults producing gametes fertilization the growth of the offspring to adulthood

Mendel used over 28,000 pea plants in his experiment. how does this large sample size make his results more reliable? (i'm not sure about this one)