Caves are formed by the dissolution of limestone. Rainwater picks up carbon dioxide from the air and as it percolates through the soil, which turns into a weak acid. This slowly dissolves out the limestone along the joints, bedding planes and fractures, some of which become enlarged enough to form caves
Joseph E. Lee.
Lee graduated from Howard University's law school in 1873 and then moved to Florida where he was admitted to the state bar and became Jacksonville, Florida's first African American lawyer.
hope it helps !
The answer is C (both of these) because these factors can cause changes in organisms.
Answer:
B.embryonic is the correct answer
Explanation:
Prenatal development is the period between conceiving and childbirth.
Stages of prenatal development
Germinal stage: The two weeks after the conception is termed as a germinal stage.
Conception happens when a sperm cell and egg cell combine to form the zygote.
Embryonic development: is the stage after the implantation, during this period embryo starts to split into three layers, which will develop into major organs.
Fetal stage: starts during the ninth week till birth.During this stage sex organs of the fetus start to develop.
The fetus grows very fast as the bones and muscles develop.
Dr. Huang is using cognitive therapy. This is a kind of psychotherapy established by Aaron T. Beck. CT is one of the calming methods within the larger group of cognitive behavioral therapies and was first explained by Beck in the 1960s. Cognitive therapy is grounded on the cognitive model, which states that views, state of mind and actions are all linked, and that persons can move to overpowering worries and meeting their aims by recognizing and altering obstructive or erroneous thinking, problematic manners, and upsetting emotional reactions.
