Answer:
Biological
Explanation:
A biological hazard refers to a biological substance such as viruses, insects, fungus, etc. that can affect humans or other animals' health negatively. In the case of Kris and James, they are exposed to a biological hazard because stagnant water is commonly used by mosquitos to place eggs, this leads to a lot of mosquitos around stagnant waters and therefore a higher risk of mosquito-transmitted diseases such as malaria. Besides this, stagnant water is highly polluted and includes bacteria and parasites that are harmful.
Answer:
Invitational Workshop
An invitational workshop is what many of us know. It’s what Lucy Calkins has made famous through the Reading and Writing Workshop. In the invitational workshop, the instructor usually hosts a minilesson. This minilesson is intended to meet the needs of the majority of children in the classroom. Afterward, the children are “invited” to employ the skills or strategy for the minilesson during workshop time, where students work independently or in small groups
Explanation:
Answer:
A) The relative humidity : 0.818 (81.8%), Temperature at C = 14.4⁰c
B) The rate of energy destruction = 0.0477 kw
Explanation:
Given data :
at point 1 : m1 = 3 kg/min , T1 = 30⁰c, p1 = 1 bar, ∅ = 0.50 ( 50%)
at point 2 : T2 = 5⁰c, P2 = 1 bar, m2 = 5 kg/min
at point 3 : p3 = 1 bar
Answer:
The attraction force between the cation and anion is
Solution:
According to the question:
Separation distance between the center of the charges, d = 2.9 nm =
Also, valence is the no. of electrons required to reach the stable configuration of octet in the outer most orbit or shell of an atom.
Thus
+ 2 means +2e = Q
-1 means - 1e = Q'
where
e = electronic charge =
The Coulombian Force is given as:
where
Now,
Here, the negative sign is indicative of the attractive nature of force between two oppositely charged particles.