(sorry it wont let me post the picture link) The diagram illustrates part of the carbon cycle.
(A fawn eating grass.)

Which best describes the diagram?
A consumer is obtaining carbon by breathing it in from the atmosphere.
A consumer is obtaining carbon by absorbing it from the soil.
A consumer is obtaining carbon by eating carbon-based molecules stored in a producer.
A consumer is obtaining carbon by eating carbon-based molecules stored in a decomposer.

i think it would be b. tissue because 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.

relative humidity, temperature and dew point -- are bound together in the mathematical relationship below. relative humidity changes when temperatures change. because warm air can hold more water vapor than cool air, relative humidity falls when the temperature rises if no moisture is added to the air. so i would say a

most community's take hundreds of years to become stable

i'm guessing this is from edg enuity so the answers would be, from top to bottom,

theodor schwann

matthias schleiden

robert hooke

rudolph virchow

anton van leeuwenhoek