If an element has 4 electrons, how many of them will be in the 2nd energy level?

What are spring tides? A) larger than usual tides that occur during a full or new moon B) tides that occur when the distance between high and low tides is least C) tides caused by the seasons, not gravity D) tides that occur during the spring months

What are some of the challenges in designing enclosures for captive animals

Why is mitosis important in multicellular organism?

The ABO blood groups can be best described as A. Simple dominance B. Polygenic traits C. Multiple alleles D. Incomplete dominance

How can i tell if most of the plants in my environment are vascular or nonvascular?

Which of the following are atoms of the same element? Check all that apply. an atom with eight protons and seven electrons an atom with nine protons and seven electrons an atom with eight protons and eight electrons an atom with eight protons and no

What are the two reasons oxygen and carbon dioxide can move easily across the cell membrane?

Which component of blood is responsible for the formation of blood clots? a. all blood cells b. red blood cells c. myoglobin d. platelets e. white blood cells?

What will the majority of pathogens in food be killed by? a) antimicrobial secretions from the sebaceous glands in the skin b) mucus in the trachea c) acid in the stomach d) nose hairs

What can high levels of salt do to a plant