Uranium - 235 has a half-life of 700 million years. How much of the 12g sample of uranium would be left after 2100 million years?

A. 1.5 g

B. 6g

C. 3 g

D. 75 g

The nuclear envelope forms around each set of dna

Which statement describes Mendel's hypothesis regarding gametes

What happens to the light energy that is trapped by the chloroplast during the first stage of photosynthesis? a. light energy is converted into chemical energy c. light energy is converted into thermal energy b.

Sexually transmitted diseases have the greatest impact on increasing the incidence of which type of cancer

What category of classification is used for the first term in a scientific name?

Square root of 5 times 2/3 + 90 divided by the square root of 34 is equal to? (ik this should be easy but I couldn't do it lol)

Using streamlined shapes in designing aircrafts

Which of the following statements about a compound is true? Only the physical properties of a compound are usually the same as those of the elements from which it is formed.

Students are reviewing the structure of DNA in preparation for a class test tomorrow. They demonstrate understanding of this information when they identify which of the following as a nitrogenous base found in DNA? Select all that apply.

Which organisms are prokaryotes a. Archaea b. Fungi c. Protist d. Plants