Answer:
delta
Explanation:
, the brain produces delta waves almost exclusively. It is very difficult to wake someone during stages 3 and 4, which together are called deep sleep. There is no eye movement or muscle activity.
Answer:
How can we fight social justice?
Examine your beliefs and habits.
Educate yourself about social justice issues.
Discover your local organizations.
Take positive action in your own community.
Harness the power of social media.
Attend demonstrations and protests.
Volunteer.
Donate.
Explanation:
hope this helps u dear
Natural Barriers are correct