Answer:
a chemical process in which substances act mutually on each other and are changed into different substances, or one substance changes into other substances.
1. True- because scientific theory means that <span>idea supported through research that attempts to explain existing observations or predict new ones.</span>2. False- because a cross-sectional means that its a study that is about different groups.
3. B-<span>An extraneous variable clarifies the relationship between the independent and dependent variables.</span>
Attend doctors appointments with the mother to help listen to treatment options, ask questions, and discuss any alternatives they can consider.
Nelson Rolihlahla Mandela (18 July 1918 – 5 December 2013) was a South African anti-apartheid revolutionary, political leader and philanthropist who served as President of South Africa from 1994 to 1999. He was the country's first black head of state and the first elected in a fully representative democratic election. His government focused on dismantling the legacy of apartheid by tackling institutionalized racism and fostering racial reconciliation. Ideologically an African nationalist and socialist, he served as the president of the African National Congress (ANC) party from 1991 to 1997
I hope this helps you!!
Website: Wikipedia
