A charged balloon is brought near an electroscope but does not touch the electroscope. This is an example of charging by?
Induction
True or False. In a current, electrons will always flow from negative toward positive.
True. Electrons flow from negative toward positive because opposite charges are attracted to each other.
Which of the following materials is an insulator against electric current?
a rubber tire
Which of the following materials is a conductor of electric current?
a copper penny
So the marine animals don't eat the plastics that could be recycled and used for other products other than killing marine creatures.
Both parents have to be heterozygous for the trait (Xx)
X. x
X. XX. Xx
x. Xx. xx
As you can see, in the further corner, there is a homozygous recessive genotype. (xx). This means that 1/4 of all offspring will have blue eyes. Or 25%
The greatest surface area for gas exchange is found in the Alveoli
