What causes Swollen Shoot Disease?

Swollen shoot is a viral disease transmitted to the plant by mealybugs that has devastated Ghanaian and Nigerian cocoa crops.

Explanation:

Please mark me as brainliest answer

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.

the answer would be d