They are symmetrically arranged.
Answer: Stop the experiment and tell your science teacher.
Explanation: should never leave the broken item without telling the teacher, don't try to fix something that you don't have permission to, don't keep using broken equipment
Answer:
Vitamin-D in the blank.
Explanation:
If you think you may have a deficiency, it's important that you speak to your doctor and get your blood levels measured. Fortunately, a vitamin D deficiency is usually easy to fix. You can either increase your sun exposure, eat more vitamin-D-rich foods, such as fatty fish or fortified dairy products.
"A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another. ... Food webs consist of many interconnected food chains and are more realistic representation of consumption relationships in ecosystems."
Humans and chimps genes may have split 13 million years ago.
