They use their spines with tiny hairs on them to move and push food towards their mouths.
The weathering of silicate rocks exposed by up lift due to orgeny and subduction of ocean sediment and they also are the formation of shells by marine organism.This is the correct awnser.
Answer:
Biomass is a plant that operates a similar gas and coal-fired plants. Instead of burning fuel this plant is fueled by (different biomass like growing trees,wood chips,biogad,etc)
Ex: In 2017 ,biomass generated 2.3% of the world's electricity
Hope this helps !
Biotechnology use can lead to a decrease in pesticide and herbicide use, maintaining soil quality. Correct answer is A
Answer: Their fitness decreases