The controlled experiments are performed by the scientists, when they want to study the changes in the sample on changing a single variable. So, the correct answer is option (b).
In case, all variables are kept same, no changes would be observed in the experiment sample. A controlled experiment can be performed on living thing as well as non living. But, controlled experiment cannot be performed on the things which are influenced by a lot of variables, as they cannot create realistic results. So, the option (a), (c), and (d) are incorrect.
Because the climate is paralyzed so you can’t stand on it or it will fluuuukin fall
Let’s get one thing straight electrons mean negative so I’m going to say very negative cause it spends more time around hydrogen atoms
I believe a diet of 2,000 calories is used.
Hope that helped you.
Answer:
the last one, oceanic crust is more dense!
