Answer:
Carbon-14 has a half-life of 5,730 years. Taking one atom of 14C, this will either have decayed after 5,730 years, or it will not. But if this experiment is repeated again and again, it will be seen that the atom decays within the half life 50% of the time.
Explanation:
Plants tend to wilt when they are “thirsty” or under watered (especially the leaves) often times watering a plant may renew it.
Cat faeces are actually harmful to plants, and contain bacteria/ toxins.
Ok, I'm not fully sure but answer B sound right, so I think it's right