What are common causes of death among Southern African infants and children?

Choose all answers that are correct, please!

Ebola

HIV/AIDS

small pox

malnutrition

What is an example of a line segment

Why is the huronian supergroup rock formation particularly interesting to scientists? because it looks like a cross-section of a giant, stone encyclopedia because it formed during the period when oxygen began to accumulate in the atmosphere because it contains unusually large amounts of oxygen and sulfur because it dramatically altered the planet's development when it first formed

Acanyon on the ocean floor at which the crust bends downward is called a(n)