People protects food from bacteria because they are what with the bacteria

What is a molecule? A. A group of positive ions surrounded by delocalized electrons B. A group of ionically bonded atoms C. Two oppositely charged ions D. A group of covalently bonded atoms

Land forms made of huge, tilted blocks of rocks that are separated from surrounding rocks by faults?

5. The transmission of heat requiring the movement of a liquid or a g O A. transduction O B. convection O C. radiation O D. conduction

A 50kg boy jumps off the back of a 4 kg skateboard moving forward. Find the skateboard's velocity immediately after the boy jumps, assuming that the skateboard's initial velocity is 5 m/s and the boy's velocity when jumping off the back is 2.

An object with a mass of 375g is moving with a constant velocity. It has a force of - 20 N applied to it. Determine the acceleration of the object. What is happening to the object?

Find the current Voltage VD and current ID in the following circuit assuming (a) ideal diode. (b) Constant voltage drop model with Von = 0.75V (c) using the exponential model (I_0=1*10^ (-14)). Verify your results through Multisim simulation

Suppose two stars are located in region a of the h-r diagram shown in the figure below. Star X appears much dimmer that Star Y as seen from Earth. Which Star can be inferred to be nearer to Earth, and how do you know?

A student examining a joint observes collagen-rich connective tissue fibers linking the bones, but finds no synovial cavity. Which structural classification fits the observed joint?

How to identify additional materials

Tarzan runs at 6 m/s and grabs a vertical vine (negligible mass) 4.1 m long which is tied to a tree at the top. Tarzan swings up. Determine the maximum height Tarzan will swing up and the angle the vine makes respect to vertical.