<span>They wanted to find gold and other resources.</span>
The words needed to complete the sentence structure are quantitative and qualitative. They are the types of research that further investigates the study. In a qualitative research, it is the deeper investigation of the paper which uses some methods like focus groups. Meanwhile, a quantitative research gathers data through surveys and audits.
Songs for birds give them a communication system so that they can alert other birds and also to attract mates.
<u>Activity</u> theory states that the more participatory and involved older adults are, the more likely they are to be satisfied with their lives.
<h3>Who are Older Adults?</h3>
The United Nations considers everyone over the age of 60 to be an older person. However, additional sociocultural indicators, such as family status (grandparents), physical appearance, or age-related health issues, are frequently used by families and communities to define age.
Because of this, the activity theory, also known as the implicit theory of aging, normal theory of aging, and lay theory of aging, posits that successful aging occurs when older individuals maintain their level of activity and their social connections.
Learn more about older adults here: brainly.com/question/28138869
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