Which of the following will protect us from the sun's harmful rays?

A. Only going outside on cloudy days

B. Long-sleeved shirts and pants

C. Only going outside at night

D. Tanning oil

In tilman's experiments with diatoms, what was the outcome when the two species competed for silica?

Which of the following energy forms is not involved in hitting a tennis ball? a. kinetic energy e gravitational potential energy b. chemical potential energy d. elastic potential energy tantial energy is that

Which characteristic of lymphatic capillaries is correct?

Pellagra also results from a deficiency of nicotinamide, which is synthesized from tryptophan. Nicotinamide nucleotides are neither oxidized nor reduced during which step of cellular respiration?

A new species of aquatic chordate is discovered that closely resembles an ancient form. It has the following characteristics: external armor of bony plates, no paired lateral fins, and a suspension-feeding mode of nutrition.

What is an unusual property of magnetite?

Which describes the scientific view's order of earth's first living things to the most recent? A. cyanobacteria, hagfish, crocodilians, giant ground sloths B. cyanobacteria, crocodilians, hagfish, giant ground sloths C. cyanobacteria.

At what stage of mitosis does the cell grow and make copies of its hereditary material

A landform that has high elevation and a more or less level surface is a ...

Which of the following contain only prokaryotes? A) Domains Bacteria and Eukarya B) Domains Archaea and Bacteria C) Only Domany Eukarya D) Domains Archaea and Eukarya