Select the topics an astrophysicist would study. thermodynamics

physics

biology

electromagnetism

chemistry

geoscience

Hey, how you doing?

(You can trust this answer because i want to be an astrophysicist when i grow up!)

Answer

Astro= observation of celestial objects, physics= study of natural phenomena, and the mathmatics describing them. astro+physics= study of the physics describing celestial phenomena.

Physics (study of mathematics describing natural phenomena)

electromagnetism (study of electric and magnetic fields as well as light)

chemistry (study of molecules and atoms)

thermodynamics (study of energy [mostly heat energy])

ALSO

astronomy (observation of celestial objects)

Hope it helped (hope it made sence even more than it helped)

the total distance that martina travels that day is

(distance from home to mom's office) plus (distance from mom's office to school)

plus (distance from school to library) plus (distance from library to friend's house)

plus (distance from friend's house to martina's house).

(we don't know what any of these distance actually is.)

k2s for potassium sulphide