The four valence electrons of a carbon atom are in its innermost/outermost energy level

Select all that apply. What are the waste products of respiration? Co2 O2 H2O (CH2O) n Energy ATP

Organisms that can make their own foods are autotrophs what are two examples of autotrophs

Which statement concerning viral structure is true? View Available Hint (s) Which statement concerning viral structure is true? Spikes are found on some viruses. They are very consistent in structure and can be used for identification.

Why is the troposphere water than the stratosphere?

It is easier for a baseball player to hit a baseball farther when a pitcher throws a fastball than when he throws a curveball or a changeup?

Suppose that a large river separates two populations of mice. one population is all black, and the other all white. a beaver dam that is built allows the mice to cross the river. over time, many gray mice are born. what is this an example of?

Why is it important to secure the crime scene?

Which two characteristics describe all animals? A. multicellular and symmetrical B. multicellular and asymmetrical C. heterotrophic and multicellular D. heterotrophic and unicellular

In which of these sports may reaction time be least important, basketball, hockey, soccer or bowling? why?

A simplified model of the human blood-type system has four blood types: a, b, ab and o. thereare two antigens, anti-a and anti-b. anti-a reacts with blood type a and ab, anti-breactswith b and ab.