Month: February 2022

The cell membrane controls what goes in and out by having protein channels that act like funnels in some cases and pumps in other cases. Passive transport does not require energy molecules and happens when a funnel opens in the membrane, letting molecules flow through. how do materials get in and out of the cell … Read more

Types of fire-rated doors Fire-rated doors should never be propped open. 20-minute fire-rated wood door, style 8212. Their exterior fire doors are made of plywood or composite core. The company’s interior doors can either have solid panels, clear fire glass or obscure fire glass. what is the fire rating on a solid wood door? solid … Read more

On the surface, weathering and erosion break down the igneous rock into pebbles, sand, and mud, creating sediment, which accumulates in basins on the Earth’s surface. As successive layers of sediment settle on top of one another, the sediment near the bottom is compressed, hardens, and forms sedimentary rock. How does igneous rock change into … Read more

Does the ACT give you math equations? ACT Math’s two biggest challenges are Time Crunch – a math test with 60 questions in 60 minutes! —The fact that the test does not provide you with any formulas. All ACT formulas and math knowledge come from what you’ve learned and memorized. Do you get math equations … Read more