How old is oldest human remains? The oldest directly dated human remains have turned up in a Bulgarian cave. The tooth and six bone fragments are more than 40,000 years old. The new discoveries came from Bulgaria’s Bacho Kiro Cave. They support a scenario in which Homo sapiens from Africa reached the Middle East some […]
Can you burn mayonnaise?
Can you burn mayonnaise? Mayonnaise is flammable. It is essentially a type of cooking oil. Most cooking oils will catch fire fairly easily, though the exact temperature will vary. Mayonnaise can catch fire and burn. Why does baking soda put out fires? Baking soda releases carbon dioxide, smothering flames. Is mustard good for burns? Why […]
What happens if the buoyant force is less than the weight of an object?
What element is always found in nature?
What element is always found in nature? Cards Term the ……………. are located to the left of the stair step line of the periodic table Definition metals. Term Which element is always found in nature combined with other elements? Definition magnesium Term Which elements are least reactive? Definition noble gasses. Which element is found freely […]
What is the tray in the oven for?
What is recycling give two examples?
What is recycling give two examples? The basic phases in recycling are the collection of waste materials, their processing or manufacture into new products, and the purchase of those products, which may then themselves be recycled. Typical materials that are recycled include iron and steel scrap, aluminum cans, glass bottles, paper, wood, and plastics. What […]
What are the beneficial elements?
What are the beneficial elements? Abstract. Aluminum (Al), cobalt (Co), sodium (Na), selenium (Se), and silicon (Si) are considered beneficial elements for plants: they are not required by all plants but can promote plant growth and may be essential for particular taxa. What are the sources of essential elements? Plants and humans require similar sets […]
What color is green in red light?
What color is green in red light? yellow What color would a green object be in red light? Coloured light White paper Colours(s) that the object can reflect All Appearance of object in white light White (no colours absorbed) Appearance of object in red light Red (only red light to reflect) Appearance of object in […]
What are three reflexes a baby is born with?
What are three reflexes a baby is born with? Newborn Reflexes Reflex Age When Reflex Appears Age When Reflex Disappears Rooting Birth 4 months Palmar grasp Birth 5–6 months Moro reflex Birth 5–7 months Tonic neck reflex Birth 5–7 months At what age do primitive reflexes disappear? approximately 6 weeks What age do primitive […]
What is SI unit of specific resistance?
What is SI unit of specific resistance? The metric unit for specific resistance is the ohm-meter (Ω-m), or ohm-centimeter (Ω-cm), with 1.66243 x 10-9 Ω-meters per Ω-cmil/ft (1.66243 x 10-7 Ω-cm per Ω-cmil/ft). What is the SI unit of specific weight? The SI unit for the specific weight is N/m3 while the English unit is […]