Examine the image for a step in meiosis, shown here. What is the significance of the arrangement of homologous chromosomes shown in the image ?

Ricardo notices that when he plays soccer in the rain, his ball does not seem to go as far after a kick. what is the best scientific question that ricardo could ask about this observation? is soccer better played in the rain or sun? how does rain affect the distance a soccer ball can travel? how does rain affect the speed of a soccer ball? is soccer affected by the rain?

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?

Methane gas created by a cows flatulence especially in a large herd is a greenhouse gas. true or false.