1. What is the difference between saying that a duck has webbed feet because it needs them to swim..

1.       What is the dissent among declaration that a sink has webbed feet accordingly it needs them to swim and declaration that a sink is efficacious to swim accordingly it has webbed feet?

2.       Former U.S. President Jimmy Carter said, “Responsible biotechnology is not the enemy; starvation is.” What did he average? Do you combine?