Which of the following has a closed circulatory system?

spider

earthworm

insect

Snail

clam

What are seen in the thremosphere

As you know, the oceans cover most of the earth, and contain a huge amount of resources. Fish are one of these resources.

Jared regularly takes a pain reliever for his back pain. after a few weeks, he notices that he needs to increase the amount of pain-relieving drug that he takes each day in order to achieve the same level of pain relief.

This is the kingdom of unicellular prokaryotes that have cell walls without peptidoglycan

What statement is true about p waves?

Which process changes sedimentary rocks into igneous

Unlike minerals such as iron and calcium, protein is a macronutrient in the human diet. Why is protein a macronutrient?

Energy drinks have become increasingly popular. Somebody's trying to contain large amounts of caffeine which is known to increase heart rate in most individuals. This effect on the heart rate can be Dangerous because it can lead to

Which statement describes an activity of a decomposer? A) a mushroom digests and absorbs nutrients from organic matter?

How does science works