An ionic bond can be formed between

Two like charged ions

When electrons are shared between two elements

Two unlike charged ions

Two non-polar molecules

Viruses are essentially a strand of genetic material within a protective protein coating known as a

Why does the heart separate the oxygenated and deoxygenated blood?

Which beat describes how ocean currents are created

Which type of data is qualitative data?

Which legs for a frog are used for jumping?

In humans, an X-linked disorder called coloboma iridia (a fissure or cleft in the iris of the eye) is a recessive trait. A couple with normal eyes has a daughter with coloboma iridia.

When a whale carcass sinks to the ocean floor it creates an environment appropriate for succession to happen. How would you explain this phenomenon?

Which of the following is a true statement about sexual vs. asexual reproduction? a. in sexual reproduction, individuals transmit 50%of their genes to each of their offspring. b.

A pollutant that forms when another pollutant interacts with the atmosphere or sunlight is known as a? A. primary pollutant B. secondary pollutant C. tertiary pollutant D. chuck-norrisy pollutant

What animal is best adapted to the life in a savanna biome? A. Bison B. Caribou C. Llama D. Zebra