Answer:
B. often use tube feet to move around in their environment
Explanation:
Tube feet are tiny tubular projections of echinoderms on the underside (oral side). They are a member of the echinoderm water vascular system.
Tubular feet are used for feeding, breathing and shifting. They are arranged around the sides, in grooves. They work by hydraulic pressure. They are used to transfer food in the centre to the oral mouth, and may stick to surfaces. Tube feet allow certain animals to stick and travel slowly to the ocean floor. for example starfish uses tube feet for the above functions.
Hence, the correct option is B.
Answer: Here are all the ways mindfulness can help you manage stress: Nine Ways Mindfulness Helps with Stress. You become more aware of your thoughts. You can then step back from them and not take them so literally. That way, your stress response is not initiated in the first place. You don’t immediately react to a situation. Instead, you have a moment to pause and then use your “wise mind” to come up with the best solution.
Explanation:
I believe it is organ level
Answer:
Nitrogen
Explanation:
nitrogen, which accounts for about 78% of the mass of dry
thoughtco.com
Answer:
Salt water I think. Mostly oceans right?
Explanation: