Which property among the following is best suitable for metalloids 1 Brittle and behaves like a non-metal

2 Have the property of metals and non-metals

3 Malleable and ductile

4 Conducts electricity and behaves like a metal

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as

Nebulae are enormous clouds in outer space. they are made mostly of hydrogen gas, helium gas, and dust. some nebulae glow brightly, while others do not. the stars that people see are huge, bright balls of glowing gas. they are made mostly of hydrogen and helium. which statement correctly describes other ways in which nebulae and stars are different? a. stars can form inside a nebula but a nebula can never be produced by any star. b. a star always has a higher density than a nebula. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star.

What is the source of continuous heat and energy that we receive from the sun