The expiration date on a product refers to the last date a product should be

According to erikson, a teenager’s challenge is the search for

Which is not an effect of aging? secondary sex characteristics appear bones shrink and become more brittle skin becomes drier and less elastic hearing and vision become less sharp

If you have a stage 1 tumor, what would this indicate? that the tumor is confined to the organ where it started. that the tumor has grown into the surrounding tissue. that the tumor has invaded the lymph nodes. that the cancer has spread throughout the body.