Question

1. A poisonous metal that may lead to numbness of limbs in human beings​

Answer 1

Answer:

arsenic,thallium,and Mercury

Answer 2

Explanation:

According to the Question

Let the ratio be 5x : 4x

Total number of people in group = 72

We need to calculate the number of lawyers in the group & it is also given that the ratio of doctor to lawyers is 5:4

Sun of Ratios = Total number of people

Substitute the value we get

:\implies:⟹ 5x + 4x = 72

:\implies:⟹ 9x = 72

:\implies:⟹ x = 72/9

:\implies:⟹ x = 8

Now, putting the value of x = 8

4x = 4×8 = 32

Hence, the number of lawyers in the group is 32 .