Answer:
graduated cylinder
Explanation:
It shows exact volume very precisely.
Answer:
the change of occurs between200and750 is less than 100°C ans will be same and the answer is to calculate
Vaccines are given to people so there body can reject the diseases in there body.
example. they inject they flu into yo arm so your body knows what it is and how to attack it when it threatens your body.
Answer:
Like charges repel
and opposite charges attract each other
lonic bonds are formed when ions attract
each other
Explanation:
An electrical charge can be either positive or negative. Two positive charged atom can never combine as they experience strong nuclear repulsive force Like wise two negatively charged atom can never combine as they repel each others negative electrostatic field.
An ionic bond is formed between two atoms in which one is electron deficient and other has surplus electron.
The atom with surplus electron is negatively charged and the atom with deficient electron is positively charged and thus these two oppositively charged atoms attract each other
Answer:
A. When the conditions of the experiments are the same
Explanation:
In order to fairly compare the results of experiments, conditions must remain the same. The only thing that you should change is the independent variable
