How many chromosomes do people with down syndrome have?

Which statement best describes electrons? A. Electrons have a positive charge. B. Electrons reside in the nucleus. C. Electrons orbit around the nucleus. D. Electrons are composed of protons and neutrons.

What is the coriolis effect?

Which weather process involves physical forces but not chemical reactions or dissolving of mineral A. solution B. carbonation C. abrasion D. hydration

The arabian spiny mouse is a species of mouse. different mice in this species can have different traits. what allows these mice to have different traits from each other?

Both a man and a woman are heterozygous for freckles. Freckles (F) are dominant over no freckles (f). What is the chance that their child will have freckles?

6. What mechanisms or events are needed for a star to make heavier elements than iron?

This is the process that release energy by breaking down food molecules in the presence of oxygen

What 4 structure will urine flow through to exit the body?

What best describes a cognitive process?

What are some things that the human brain is specialized to do? what is the evidence for sexual selection? what is sexual dimorphism and when is it found?