In an open system such as a campfire, matter can <span>lose particles, gain particles or exchange particles.</span>
Answer:
Straight line path.
Explanation:
Speed is the rate at which an object covers a particular distance. According to the question, the object was moving with constant speed, there is no change in the direction as well, This imply that the object is moving with constant velocity. No external forces applied on the object. Therefore the object is moving on a straight line path.
2. solar system 1. is elliptical
Over a long period of time
The correct answer is A. Inhale odor molecules into nasal cavity.
