I think the answer would be trenches but I’m sorry if I’m wrong
Answer: Vitamins
Explanation:
they are nutrients that are made by living things
Answer:
Uranium-238 undergoes alpha decay to form Thorium-234 as daughter product.
Explanation:
Alpha decay is indicative of loss of the equivalents of a helium particle emission. The reaction equation for this reaction is shown below:
→ 
I hope this explanation is clear and explanatory.
Valence elections, electron affinity, electronegativity, atomic radius