How does a catalyst work?
a. by increasing the temperature of a chemical reaction
b. by decreasing the pressure of a chemical reaction
c. by increasing the concentration of reactants in a reaction
d. by decreasing the activation energy of a reaction

If a robot fixed another robot is it a engineer or doctor?

Talking listening and reacting non verbally are all part of communicating

Suppose you have monohybrid pea plants in your garden and find that they produce round seed to wrinkled seeds in the ratio of 3: 1. if the allele are designated (r & r) receptively. what is the probable genotypes of the round seeds which produced f 1 ? rr & rr rr only rr & rr rr only rr only