Answer:
The best option is D. decreasing costs while increasing positive consequences
You forgot your options, but I think i've seen this question somewhere already and i remember them. The answer is that it is not true that <span>Iron could be manufactured without the need to heat it up. </span>
1. is D and 2 im not sure
Answer and Explanation:
Socioemotional selectivity theory. Abbreviated SST was developed by by Stanford psychologist Laura L. Carstensen.
The socioemotiinal selective theory is a life-span theory of motivation. This theory suggests that older adults as they get older become selective with social interactions so that theyvseek only positive emotional relationship and systematically hone their social networks in a way that available social partners satisfy their emotional needs.