How can two parents without hitchhiker's thumb have a child who does have hitchhiker's thumb?

What types of foods are the richest in proteins

Which of the following is NOT an example of physical evidence? testimony of the neighbor next door a knife near the accident scene fingerprints on the window footprints in the grass near the victim

Identify the variables in this hypothesis. If Sam increases his exposure to excessive noise by listening to music through his headphones, then his ability to hear will decrease.

Which is produced immediately after a plant sperm cell fertilizes an egg cell? a. a zygote b. plant nutrients c. sweet nectar d. a spore

What are some examples of producers in nature?

What is the difference between bacillus, coccus, and spirillum

What is always true of scientific practices a. They prove a hypothesis to be correct b. They involve steps performed in the same order c. They seek to produce verifiable data d. They lead to the same interpretation

Which statement is true about the scientific method

How do cells correct errors in DNA that would disrupt their function

Which is true of oxidation? a) It is a physical process b) No change occurs in the makeup of rock c) Rocks weather at different rates d) Water freezes in cracks in rock