The diagram below shows two processes, P and Q, in the carbon cycle.
Carbon in
atmosphere
P is an arrow pointing down to a plant and Q is point up to the sky from the plant.
Which of these statements best describes the processes P and Q?
1) P shows decomposition and Q shows diffusion. 2) P shows diffusion and Q shows decomposition.
3) P shows photosynthesis and Q shows respiration.
4) P shows respiration and Q shows photosynthesis.

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

well first you need the sample of the temperature and gas level. i couldnt write a hypothesis unless i had some data. i think temperature changes will effect volumes of gas because gas changed into a solid or liquid at specific temperatures.

1) a giant star is a star with a radius much larger than that of our sun (even hundreds of times bigger). they can be either blue giants or red giants: in the first case, the surface temperature is very high, higher than that of the sun, while in the second case the surface temperature can be lower than that of the sun. the same applies to the mass: blue giants are very massive stars, burning quickly their nuclear fuel, while red giants can have small masses (a little bit bigger than that of our sun).

2) we can find giant stars in the upper part of the hr diagram, blue giants will be on the upper left corner since they have high luminosity and high temperature, while red giants will be on the upper right corner, having high luminosity but low temperature.