Answer:A plane's engines are designed to move it forward at high speed. That makes air flow rapidly over the wings, which throw the air down toward the ground, generating an upward force called lift that overcomes the plane's weight and holds it in the sky. ... The wings force the air downward and that pushes the plane upward.
The triangle is an Acute angle triangle.
Water molecules are not found in a dna molecule.
Biology is the study of life so a Biologist would study biology: the study of life and living things.