Some researchers have doubted that class size and school budget have significant impacts on students' performance. a. True
b. False

True.

Explanation:

Embora existam muitos estudos que comprovem que o tamanho das turmas e o orçamento escolar impacta o desempenho dos alunos, aguns pesquisadores duvidam que o tamanho das turmas e o orçamento escolar tenham impactos significativos no desempenho dos alunos.

Isso porque esses estudiosos acreditma que apenas o comprometimento e a capacidade intelectual é capaz de promover o desempenho dos alunos, além da qualidade e didatica dos professores.

true

explanation:

by using  production possibilities graph.  opportunity costs are key expenses in financial matters and are utilized as a part of registering money saving advantage investigation of a venture. such expenses, be that as it may, are not recorded in the record books but rather are perceived in basic leadership by processing the money costs and their subsequent benefit or misfortune.