The Answer is All of the above
One difference between mechanical and electromagnetic waves is that mechanical waves need a medium to pass through (solid, liquid, gas). EM waves can travel through matter or though a vacuum. In regards to telecommunications, EM waves can be radio waves, these are used in TV's, phones, computers, radios. Mechanical waves somewhat relate to this since radios produce sound;so an EM wave would turn into a mechanical vibration inside a speaker then sound would be produced.
Answer:
50
Explanation:
their child has a 50% chance of having boss type o and a 50% chance of having blood type a
Answer:C) Traits like this are determined by the genes passed from parents to their children.
Explanation: Every trait in an organism is controlled by a pair of gene. A gene that controls a trait usually have two alleles. During fertilization, for every pair of gene one allele is inherited from the mother while the other allele is inherited from the father and the two alleles come together to form a pair of gene. Every trait in an organism is determined by genes that are passed from the parents to the offsprings.
Answer:
""My first day at school was intresting!there was alot of people that i didnt knew and i could talk to them without being shy,however there was people who tried to make me sad,but i didnt allow them to make me upset.The things we did there was so intresting!.My first day was neutral as my everyday life,i would get used to this like all over again.
Perhaps,people would accept me as how i am.I like to know people's personalities and they'fun!
(i tried to help,you can improve it or put it in your own words)
