Single celled organisms exchange gases directly across their Cell membrane.
Groundwater supplies drinking water for 51% of the total U.S. population and 99% of the rural population. Groundwater helps grow our food 64% of groundwater is used for irrigation to grow crops. Groundwater is an important component in many industrial processes.
Throwing garbage on the ground, not putting out a camp fire, lighting something that creates smoke...
Answer: Passive euthanasia
Explanation:
Passive euthanasia is the deliberate termination of the treatment of a terminally ill person by turning off respirators or other life-support machines. Passive euthanasia is when death is brought about by an active doing or by omission. This can be by withdrawing or withholding treatment: Withdrawing treatment: for example, switching off a machine that is keeping a person alive, so that they the person can die of their disease. Withholding treatment: for example, when surgery are not carried that will extend life for a short time.
D. Cubic describes the mineral's crystal shape