What gas important to life was absent from earths earliet atmosphere A methane B. nitrogen C. oxygen D. carbon dioxide

Describe the joints and movements involved in crossing your legs while sitting

What is a diffusion

How many different kinds of bases can be found on DNA?

Which element of ecosystems is abiotic? number of plant species per hectare identities of predator and prey species water in an aquifer microorganisms in the soil

Do you forget things? Absent-mindedness is an inherited recessive trait. The Punnett square shows the genetic cross for absent-mindedness in the Smith family. If the Smith's have six children, how many could be absent-minded? A) 0 B) 1 C) 2 D) 3

What would most likely cause the future acceleration of the expansion of the universe? O radiation from the Sun O the existence of background radiation O the continued existence of dark energy O light shifts identified by the Doppler effect

What came about in the devonian period

When will a recessive trait be seen in an organism

The delicate, spongy bone located between the eyes and forming a part of the cranial floor beneath the frontal lobes of the brain and the upper nasal cavities is the?

If you visited a savanna you would most likely see