<span>The sea lions have been trained to perform this behavior through positive reinforcement. Positive reinforcement is when a desired behavior is rewarded. In this case the behavior is catching balls on their noses and the reward is fish.</span>
The answer is C. To be a male carrier you have to have to have a box shape ( that indicates that it is a male) and half of the box must be colored. I hope this helps!
Liters because liters are larger than milliliters.
Answer: true
Explanation: Sleep is important to a number of brain functions, including how nerve cells (neurons) communicate with each other. In fact, your brain and body stay remarkably active while you sleep. Recent findings suggest that sleep plays a housekeeping role that removes toxins in your brain that build up while you are awake
hope this helps
plz mark brainliest
A, turning on gene expression