1-As we move from left to right across the periodic table, what is the general trend?

A) Atomic radii increase.

B) Electronegativity decreases.

C) Nuclear shielding increases.

D) Metallic character decreases.

What force makes cold water sink toward the ocean floor?

What process removes introns from mRNA? a Replication b Transcription C Translation d Splicing

A scientist is looking for a solution that is neither acidic nor basic. Which pH would identify a solution as neither acidic nor basic? a. 7 b. 1 c. 10 d. 14

What disease are heterozygous individuals more humans?

Which of the following is not a way in which human events can change the Earth's surface? a. draining wetlands b. agriculture c. glacial melting d. pesticide use

Paleontologists can definitively conclude whether dinosaurs were endotherms. a. True b. False

What is thethe protein-assembly factories of the cell, are present in prokaryotic cells, animal cells, and plant cells.

Cells harvest the energy in organic compounds to make ATP through a process called

In the 1950s, when Watson and Crick were working on their model of DNA, which concepts were well accepted by the scientific community? Select all that apply. (a) - Genes are made of DNA. (b) - Chromosomes are made up of protein and nucleic acid.

Read the following statements that describe how information flows in the nervous system. What is the correct order in which they occur? 1) Response is carried to glands or muscles. 2) Information is gathered.