Answer:
7)Amount of calories Ethan would burn running for 5 hours in one week=
calories
8)Erosion caused by wave for 8 years would be=
cm
Explanation:
7) Ethan burns 650 calories on running for an hour.
Amount of calories he would burn running for 5 hours in one week=
calories
8) Erosion caused by wave per year =3 cm
Erosion caused by wave for 8 years would be=
cm