D) laboratory experiments because every experiment needs a control and a variable.
B. The U.S stock market crash and Franklin D Roosevelt’s policies
Answer:
Explanation:The scientific method is a process used by scientists to study the world around them. ... You can use the scientific method to study a leaf, a dog, an ocean, or the entire Universe. We all have questions about the world. The scientific method is there to test if your answer was correct.
Answer:
reproduction is the process of producing offspring, whereas heredity is the process of passing on traits.
Answer:
The false statement is C. The hamstrings are prime movers of hip (thigh) flexion and knee (leg) flexion.
Explanation:
The hamstrings are also called ischiosural or simply, femoral. They are the powerful and voluminous musculature that is located in the back of the thigh and that performs its action mainly on the knee, flexing it and also rotating it.
The hamstrings are made up of three muscles: the biceps femoris, semitendinosus and semimembranous. In addition, the tendons are located at the back of the thigh and cross the hip and knee joints. As the hamstrings cross two joints, they have two actions, including knee flexion and hip extension, as well as hyperextension.
