You are possibly thinking of a gulf.
A bay
A canal, a sound or a gulf.
it starts with a G for sure!
a gulf, of course
Dermis-- The deeper portion or layer of the skin beneath the epidermis.
Protecting the apical meristem as the root penetrates deeper into the soil
DEEPER.
Red pigment allows for absorption of blue and green light. This kind of light penetrates further into the water so it allows them to photosynthesize even in the deeper parts of the ocean.
The animals that can survive in the dark will probably not survive in the new light given that they are immune to the darkness. I used big words and im only 12 haha xD
Aid in respiration - usually deeper breathing
Canyons such as the grand canyon usually a river cuts/erodes rocks and deposits the minerals some where else which through out years it grows deeper and deeper.
Generally yes, but not in all cases - if there is a softer band of rock in the river bed then the river will erode this quicker and cause a deeper portion, or if the river flows quicker at one point then it will again erode quicker