How do isotopes of the same element differ from each other?

a. Number of protons

b. Number of electrons

c. Number of neutrons

d. Valence electron distribution

e. Amount of radioactivity

Suppose that your friend is moving far away and describing his new location. He mentioned that Derreck gets a lot of precipitation for most of the year, except for the summer, which is cool and dry.

Is a mid ocean ridge a long narrow depression located in a deep ocean basin true or false

What were the main components of Earth's earliest atmosphere? A. oxygen and nitrogen B. oxygen and ammonia C. hydrogen and nitrogen D. hydrogen and helium

What is extracted from the uterus and used to identify genetic disorders.

Glucose diffuses slowly through artificial phospholipid bilayers. The cells lining the small intestine, however, rapidly move large quantities of glucose from the glucose-rich food into their glucose-poor cytoplasm.

Which structure connects the lateral ventricles to the third ventricle?

The prefix semi means "half," "partially," or "somewhat." explain why this prefix is appropriate for the term semiconductor.

2. extinct : endangered :: a. dinosaur : crocodile b. forn : coal c. death : illness d. coral : rccf

Which of the following statements regarding genotypes and phenotypes is false? Alleles are alternate forms of a gene. The expressed physical traits of an organism are called its phenotype. The genetic makeup of an organism constitutes its genotype.

Which of the following is NOT a biomolecule A.) water B.) lipid C.) Nucleic Acid D.) protien