Which of mendel's laws can be demonstrated by a dihybrid cross

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

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays

In 2001, records showed that local stocks of fish were down worldwide. yet, records of harvests indicated that fish were being taken at records rates. what was actually happening?