cadencepony2005
cadencepony2005 cadencepony2005
  • 02-04-2020
  • Biology
contestada

Which of the following is an example of an open system?

A. a sealed aquarium containing plants and animals
B. The earth
C. The ocean
D. a closed thermos

Respuesta :

aynslee
aynslee aynslee
  • 02-04-2020
the answer is C because all of the spheres of the earth exchange energy and mass.
Answer Link

Otras preguntas

List one method of testing a product quality
Five friends split a 65.20 bill at a restaurant, they also each left 2.75 for the tip. How much money did each person pay in all?
How much potential energy does a 1000 kg roller coaster have when it is at the top of a 40 meter hill? O 5 40,000 J O 392,000 J O 294,000 J O 25 J
What does this prefix typically mean: "upward, excessive, or again"? 1) Re- 2) Ex- 3) Up- 4) Over-
the bird flew-the sky preposition
What percent of 253 is 81
The first worker completes a task 4 hours earlier than the second worker. First they worked together for 2 hours, then the first worker worked alone for 1 hour.
Whats the answer i never understand Philippines language in history. Pls help Just answer 5-10 please...
3c − 16 = 5 please oh please help me rn
A cyclist covers a distance of 1.5 miles. How far is this in km if 5 miles are equivalent to 8 km? A. 2.4 km B. 2.7 km C. 3 km D. 3.2 km