Answer:
390W are used to just power the leaf blower.
Explanation:
Therefor less than half its power is being used for it to actually do its job.
Hope that helps! Good luck!
Answer:
AN hypothesis can tested through experimentation and it can also be tested through deductive methods
In a science experiment only one variable is changed the independent variable to test how this changes the dependent variable
3 a variable that is observed or measured during an experiment is called the dependent variable- d
Answer: A alleles
Explanation: this is because they are alternate genes that can make up different traits .
The saliva has enzymes that start to break down food using the lock and key system.The teeth chews the food and begins mechanical break down of food
