A star's brightness is determined by the distance away from earth.
Answer:
A river basin or drainage basin is an area of land drained by a river and its tributaries. The edge of the drainage basin is known as the watershed. This can be compared to a sink or basin, which catches the water falling into it. The water travels towards the centre and leaves the sink through a plug hole.
Answer:
Every organism has a unique ecosystem within which it lives. This ecosystem is its natural habitat. This is where the basic needs of the organism to survive are met: food, water, shelter from the weather and place to breed its young. All organisms need to adapt to their habitat to be able to survive.
Explanation:
I think this type of ans. u want bcoz apne mention nhi kra
Organelle,
Cells,
Tissues,
Organs,
Organ System,
Organisms,
Populations,
Communities,
Ecosystems,
And Biosphere
True. The male and female reproductive parts are contained within the same flower.