When you carry an object while walking at constant speed in a straight line, you exert an upward force on the object. Why are you not doing any work on the object?

Asap brainliest will be which sentence about protists is accurate? all protists are unicellular and microscopic in nature. they have organelles, so protists are eukaryotic in nature. all protists make their own energy through photosynthesis.

What part of the brain is highlighted in the diagram below?

Give examples of selective advantage of organism’s body part/organ