In the chemical reactions of chemosynthesis, microscopic organisms use heat and inorganic compounds to produce food for themselves. what type of chemical reaction is chemosynthesis? a. unbustion b. exothermic c. combustion d. endothermic

f=ma newton's second law 7x8=56n

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles

answerscientific theory;

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2