D looks like the oldest one because there is barley anything there. if not then I would do b
Alkaline earth metals
Group 13 aka the boron family is categorized as alkaline earth metals
When a plant is left in dark for several hours, it does not get sunlight. Isn't it?
When a plant does not get sunlight, it cannot prepare food for itself , i.e, photosynthesis does not take place. When it does not prepare food in the form of starch, it will test negative for it.
hope it helps!
Answer:
Certain breeds of fish will often clean bigger fish. The cleaner fish gets food, the bigger fish gets a cleaning.
Explanation:
I'm not too sure.
Good luck! <3