light is reflected when it falls on a clean, smooth surface. the diagram shows the ray of light falling on a surface. Which diagram shows the reflected ray?

The decision-making part of the nervous system, which includes the brain and the spinal cord, is called the a. autonomic nervous system. b. central nervous system. c. cortical nervous system. d. peripheral nervous system.

Gina planted mustard seeds in three cups. She placed the first one on her window sill, the second one under a shaded tree, and the third in her dark basement and measures and records the heights of the plants each week for five weeks.

The therory of gravity has

Many plants store energy on the form of starch. When the plant needs energy the starch molecules can be broken down quickly. The breakdown of starch produces which of the following? A. Lipids B. Amino acids C. Nucleic acids D. Monosaccharides

What is not a carcinogen

Final preparation for cell division is made during the cell life cycle subphase called G2. Select one: True False

Which of the following form conidiospores? A) Endospore-forming gram-positive rods and cocci B) Actinomycetes and related organisms C) Rickettsias D) Anaerobic gram-negative cocci E) Spiral and curved bacteria

What organ makes sucrase?

Four reasons why scientific names are important

Question 3 What major explanation did Charles Darwin provide? He explained how DNA is passed on but did not have evidence of it occurring. He was the first to provide an explanation of evolution supported by evidence.