Answer:
all are true
Explanation:
this is because middle ear start from the ear drum,,,and all those are associated with ear ossicles.
All organisms interact with their environment. choose one of the biogeochemical cycles and explain how various types of organisms are part of that cycle and help recycle the substance in an ecosystem. One example of how human activity has impacted the cycle is that humans have polluted the water making it unsafe and in some cases not suitable to support life.
Because it is where salt and fresh water meets
Sieve tube member cells are living cells, have companion cells and are typical for gymnosperms.
Tracheids have secondary cells walls and are functioning like dead tubes that enable the flow of water through the plant. Tracheid occurs in vascular plants, both angiosperms, and gymnosperms.
