Which items support the argument that humans should use selective breeding for organisms ? 1. produces corn that attacks grasshoppers
2. produces grass that grows with less water
3. produces wheat that can grow in different types of soil
4. produces oranges that can survive in freezing temperatures

Choose all that apply

option a is correct i.e.

explanation:

in context to the membrane of nerve impulse, the outer membrane of neuron is semi permeable that is only sodium ions can pass through the membrane i.e. smaller ions can pass through the membrane while larger ions cannot pass through it.

it's diluted or concentrated

in a diluted solution, you can add a lot more solute but in concentrated only a little more can be added